Updates to IHE foundational #FHIR profiles MHD, PDQm, and PIXm

Updated MHD, PDQm, and PIXmPatient Identifier Cross-reference for Mobile (PIXm) - Rev. 3.0.0. This revision was created using the Implementation Guide publisher. This is an update of PIXm that was previously published in PDF form. This new publication is published in HTML form with a full set of conformance resources and examples. New functionality has been added to support a patient identity feed to inform the Patient Identity Manager of changes to patient identities.https://profiles.ihe.net/ITI/PIXm/index.htmlPatient Demographics Query for Mobile (PDQm) -...