Blobel B, Pharow P, Parv L (eds.): pHealth 2013. Studies in Health Technology and Informatics, volume 189; IOS Press, Amsterdam; 96-100; ISBN 978-1-61499-267-7
2012,
Endo Y, Saito K, Watanabe S, Takahashi M, Ito K
2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vancouver, BC, Canada. IEEE: 4387-4390; ISBN 978-1-4244-1814-5