Dispense for Prednisone (RxNorm code) Tapering Dose - entered-in-error with multiple Dosage lines that include coded additionalInstructions and multiple EventHistory elements

{
  "resourceType" : "MedicationDispense",
  "id" : "meddisp0305",
  "contained" : [{
    "resourceType" : "Medication",
    "id" : "med0311",
    "code" : {
      "coding" : [{
        "system" : "http://www.nlm.nih.gov/research/umls/rxnorm",
        "code" : "763179",
        "display" : "{48 (prednisone 5 MG Oral Tablet) } Pack"
      }]
    }
  }],
  "status" : "entered-in-error",
  "medication" : {
    "reference" : {
      "reference" : "#med0311",
      "display" : "Prednisone"
    }
  },
  "subject" : {
    "reference" : "Patient/pat1",
    "display" : "Donald Duck"
  },
  "performer" : [{
    "actor" : {
      "reference" : "Practitioner/f006"
    }
  }],
  "authorizingPrescription" : [{
    "reference" : "MedicationRequest/medrx0303"
  }],
  "type" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "FF",
      "display" : "First Fill"
    }]
  },
  "quantity" : {
    "value" : 49,
    "unit" : "TAB",
    "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
    "code" : "TAB"
  },
  "daysSupply" : {
    "value" : 21,
    "unit" : "Day",
    "system" : "http://unitsofmeasure.org",
    "code" : "d"
  },
  "whenPrepared" : "2015-01-15T10:20:00Z",
  "whenHandedOver" : "2015-01-15T16:20:00Z",
  "dosageInstruction" : {
    "step" : [{
      "component" : [{
        "text" : "Take 4 tablets daily for 7 days starting January 16, 2015",
        "additionalInstruction" : [{
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "311504000",
            "display" : "With or after Food"
          }]
        }],
        "timing" : {
          "repeat" : {
            "boundsPeriod" : {
              "start" : "2015-01-16",
              "end" : "2015-01-20"
            },
            "frequency" : 1,
            "period" : 1,
            "periodUnit" : "d"
          }
        },
        "route" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "26643006",
            "display" : "Oral Route"
          }]
        },
        "method" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "421521009",
            "display" : "Swallow - dosing instruction imperative (qualifier value)"
          }]
        },
        "doseAndRate" : [{
          "type" : {
            "coding" : [{
              "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
              "code" : "calculated",
              "display" : "Calculated"
            }]
          },
          "doseQuantity" : {
            "value" : 4,
            "unit" : "TAB",
            "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
            "code" : "TAB"
          }
        }]
      }]
    },
    {
      "component" : [{
        "text" : "Take 2 tablets daily for 7 days starting January 23, 2015",
        "additionalInstruction" : [{
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "311504000",
            "display" : "With or after Food"
          }]
        }],
        "timing" : {
          "repeat" : {
            "boundsPeriod" : {
              "start" : "2015-01-23",
              "end" : "2015-01-30"
            },
            "frequency" : 1,
            "period" : 1,
            "periodUnit" : "d"
          }
        },
        "route" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "26643006",
            "display" : "Oral Route"
          }]
        },
        "method" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "421521009",
            "display" : "Swallow - dosing instruction imperative (qualifier value)"
          }]
        },
        "doseAndRate" : [{
          "type" : {
            "coding" : [{
              "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
              "code" : "calculated",
              "display" : "Calculated"
            }]
          },
          "doseQuantity" : {
            "value" : 2,
            "unit" : "TAB",
            "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
            "code" : "TAB"
          }
        }]
      }]
    },
    {
      "component" : [{
        "text" : "Take 1 tablets daily for 7 days starting January 31, 2015",
        "additionalInstruction" : [{
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "311504000",
            "display" : "With or after Food"
          }]
        }],
        "timing" : {
          "repeat" : {
            "boundsPeriod" : {
              "start" : "2015-01-31",
              "end" : "2015-02-06"
            },
            "frequency" : 1,
            "period" : 1,
            "periodUnit" : "d"
          }
        },
        "route" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "26643006",
            "display" : "Oral Route"
          }]
        },
        "method" : {
          "coding" : [{
            "system" : "http://snomed.info/sct",
            "code" : "421521009",
            "display" : "Swallow - dosing instruction imperative (qualifier value)"
          }]
        },
        "doseAndRate" : [{
          "type" : {
            "coding" : [{
              "system" : "http://terminology.hl7.org/CodeSystem/dose-rate-type",
              "code" : "calculated",
              "display" : "Calculated"
            }]
          },
          "doseQuantity" : {
            "value" : 1,
            "unit" : "TAB",
            "system" : "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
            "code" : "TAB"
          }
        }]
      }]
    }]
  }
}