- HBU, volume 7065 of Lecture Notes in Computer Science, page 104-115. Springer, (2011)
- IEA/AIE 2, volume 6704 of Lecture Notes in Computer Science, page 130-142. Springer, (2011)
- HEALTHINF, page 98-105. INSTICC Press, (2010)
- AMT, volume 5820 of Lecture Notes in Computer Science, page 54-68. Springer, (2009)


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