A Smartphone Application to Assess Real-Time and Individual-Specific Societal Participation: A Development and Usability Study.

Objective: To develop a mobile health app to assess individual-specific meaningful societal participation in real time and to evaluate its usability.

Design: Development and usability study.

Setting: General community.

A Two-Minute Walking Test With a Smartphone App for Persons With Multiple Sclerosis: Validation Study.

Background: Walking disturbances are a common dysfunction in persons with multiple sclerosis (MS). The 2-Minute Walking Test (2MWT) is widely used to quantify walking speed. We implemented a smartphone-based 2MWT (s2MWT) in MS sherpa, an app for persons with MS.