1. Babbs CF, Bourland J, Graber G, Jones J, Schoenlein W (1989) A pressure-sensitive mat for measuring contact pressure distributions of patients lying on hospital beds. Biomed Instrum Technol/Assoc Adv Med Instrum 24(5):363–370
2. Bennett G, Dealey C, Posnett J (2004) The cost of pressure ulcers in the UK. Age Ageing 33(3):230–235
3. Boissy P, Genest J, Patenaude J, Poirier M-S, Chenel V, Beland J-P, Legault G-A, Bernier L, Tapin D, Beauvais J (2011) Carbon nanotubes (CNTs) based strain sensors for a wearable monitoring and biofeedback system for pressure ulcer prevention and rehabilitation, in: 2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society. EMBC, IEEE, pp 5824–5827
4. Chen C-F, Luh J-J, Cheng Y-M, Yu C-L, Chen S-F, Yu C (2008) Design and clinical evaluation for patient status monitoring system of air-mattress. Biomed Eng: Appl Basis Commun 20:387
5. Chiou Y-S, Chung K-C, Hou C-R (1999) Amulti-channel microprocessor system for interface pressure, temperature and humidity measurement. Chin J Med Biol Eng 19:169–178