I. INTRODUCTION
Mobile Health focuses on mobile devices as the main tool
used to deliver health services and disseminate information
to different stakeholders. In particular, 6 main areas of application
were identified in the UN Foundation and Vodafone
Foundation report [26] on mHealth: Education and Awareness,
Remote Data Collection, Remote Monitoring, Communication
and Training for Healthcare Workers, Disease and Epidemic
Outbreak Tracking, and Diagnostic and Treatment Support.
Here, we focus on applications for Remote Data Collection,
which we will refer to as Mobile Data Collection Systems
(MDCS).
MDCS allow the collection and transmission of data from
remote geographical locations to data storage repositories
through wireless or cellular network. It is a combination of
a client application running on the mobile devices, wireless
infrastructure and remotely accessible server databases. Most
of these systems share identical principles and guidelines to
collect data remotely. The process begins by designing a form,
which contains a set of questions for collecting the relevant
data. The form is stored in a server database. Collectors can
then download these forms on their mobile device and use
them to collect the actual data in the field. The forms that