2BORYCKI E. M-health: can chronic obstructive pulmonary disease patients use mobile phones and associated software to self-manage their disease? [ J]. Studies in Health Technology & Informatics, 2012, 172:79-84.
5WANG J, MA Z, L1 B, et al. XMPP-based solution for accessing server with dynamic IP[ C]// Volume 113 of the Series Lecture Notes in Electrical Engineering. Amsterdam: Springer Nether- lands, 2012:75 - 80.
