Jalloh‐Vos 2013.

Country	Sierra Leone
Resources	Low‐income country
Data collection	Mixed methods: a survey and interviews
Health worker category	Health professionals, paraprofessionals and health managers
Health issue	Maternal and newborn health
mHealth system	The health workers received a mobile phone that allowed them to call numbers in the closed user group network for free. The network aimed to improve health worker to health worker communication.
WHO taxonomy	2.5 Healthcare provider communication 2.5.5 Peer group for healthcare providers
Notes	The mHealth study was conducted between August 2012 and July 2013.