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In the HaWa specs deverbosing is the current topic. In that respect is has been suggested to minimize the reference to cMHAFF according to the following action:

20200622_actions: Frank to draft suggested text for cMHAFF (maybe in annex A - (Informative) Rationale for scope - rather than as whole annex)

As of now, cMHAFF is decribed in Annex E (informative): Relationship to HL7 Consumer Mobile Health Application Functional Framework

Suggested rewrite:

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The Consumer Mobile Health Application Functional Framework (cMHAFF) is an HL7 Standard for Trial Use (STU). The primary goals of the cMHAFF are to provide a standard against which a mobile app’s foundational characteristics -- including but not limited to security, privacy, data access, data export, and transparency/disclosure of conditions -- can be assessed.

The framework is based on the lifecycle of an app, as experienced by an individual consumer, from first deciding to download an app, to determining what happens with consumer data after the app has been deleted from a smartphone. It is important to note that the Framework does not speak directly to the specific health or clinical functionality of an app but can be extended to do so through the use of profiles (with constraints and/or extensions) developed on top of cMHAFF.

The site provides a visual overview of the HL7 CMHAFF STU and application for piloting cMHAFF use in testing and potential for certification of health apps.

Relationship with EN-ISO/IEC DTS 82304-2

The cMHAFF standard has a standard trial use (STU) status and is due to become a formal standard in 2021 (ANSI approval). Balloting for formal standard will start May 2020.

During this same period the EN-ISO/IEC TS 82304-2 will run its course.

Alignment cMHAFF to EN-ISO/IEC DTS 82304-2

During the development cycle of CEN/ISO specification cMHAFF will seek constant alignment regarding the:

Formal relationship with EN-ISO/IEC DTS 82304-2

HL7 is formally aligned with the EN-ISO/IEC DTS 82304-2 through the participation of a cMHAFF author in the CEN/ISO project. Extensive effort has been put into aligning the QRCA section of EN-ISO/IEC DTS 82304-2 with relevant parts of cMHAFF . Where applicable it has so been noted. Those parts where both cMHAFF and a CEN/ISO standard would apply, the CEN/ISO reference was inserted. Vise versa alignment will be undertaken on cMHAFF's part, thus resulting in a technical specification (82304-2) and a functional framework (cMHAFF) which are bsed on the same undelying rationale.


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  • Seek approval by the CEN/ISO community;
  • Seek approval by the HL7 community, a.k.a. HL7 HQ;
  • execute alignment;
  • setup plan for profiling.

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