Evaluating the reliability, validity, acceptability, and practicality of SMS text messaging as a tool to collect research data: results from the Feeding Your Baby project. - Heather M. Whitford; Peter T. Donnan; Andrew G. Symon; Gillian Kellett; Ewa Monteith-Hodge; Petra Rauchhaus; Jeremy C. Wyatt (J. Am. Medical Informatics Assoc., 2012)