M. Callejon, J. Reina-Tosina, L. Roa, and D. Naranjo-Hernández. MobiHealth, volume 83 of Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, page 1-8. Springer, (2011)
M. Callejon, D. Naranjo-Hernández, J. Reina-Tosina, and L. Roa. MobiHealth, volume 61 of Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, page 130-137. Springer, (2012)