1. Health spending projections through 2015: changes on the horizon;Borger;Health Aff (Millwood),2006
2. Plunkett Research Ltd. Plunkett's wireless, Wi-Fi, RFID & cellular industry almanac 2008. www.plunkettresearch.com/Industries/WirelessCellularRFID/WirelessCellularRFIDTrends/tabid/264/Default.aspx.
3. Telephia consumer value metrics report Q3, 2005. Available at: www.telephia.com/html/insights_011706.html.
4. Finnish Communications Regulatory Authority (FICORA) (2007-08-31). Market Review February 2007.
5. A randomized controlled trial of Sweet Talk, a text-messaging system to support young people with diabetes;Franklin;Diabet Med,2006