This is the ValueSet that contains all the codes in SMART Guidelines Authoring Persona Types ValueSet (http://smart.who.int/base/ValueSet/SGAuthoringPersonaTypesVS) and SMART Guidelines Authoring Persona Types ValueSet (http://smart.who.int/base/ValueSet/SGAuthoringPersonaTypesVS). E.g. what you have to deal with if you get resources containing codes in either of them