Christian Kirsch  IBM Global Technology Services, Altrottstrasse 31, Walldorf, Germany 69190 (ckirschde.ibm.com). Mr. Kirsch is an IT specialist at IBM Global Services, Germany. He has been involved in several projects using pervasive-computing technology. His areas of expertise include workforce mobility, remote access, remote monitoring, and device management solutions. He holds a degree in information technology. In 2004, he moved to the Wireless Broadband and Sensing Solutions EBO (Emerging Business Opportunity).

Mark Mattingley-Scott  IBM Global Technology Services, Altrottstrasse 31, Walldorf, Germany 69190 (scottde.ibm.com). Dr. Mattingley-Scott obtained a Ph.D. degree from the University of Durham in 1989. He is a Senior Member of the Institute of Electrical and Electronic Engineering and a member of the Mitglied der Gesellschaft für Kognitionswissenschaft; he is responsible for business development in the sensors and actuators market in Germany. Dr. Mattingley-Scott has worked for IBM since 1989, after working for Thorn EMI Research for five years.

Christian Muszynski  IBM Global Technology Services, Altrottstrasse 31, Walldorf, Germany 69190 (muszynskde.ibm.com). Mr. Muszynski is an IT architect in IBM's sensors and actuators market and is responsible for the formulation and execution of innovative applications in the field of wireless data-transfer technologies. He studied computer engineering in Mannheim and San Jose, California and started his career at IBM in 1999, where he worked on projects with a focus on wireless technology. All his projects were one-of-a-kind projects, quite unlike out-of-the-box solutions, and several made their way to official IBM customer references and CeBIT (Centrum der Büro- und Informationstechnik) showcases. Mr. Muszynski is a member of Germany's Technical Expert Council.

Franz Schaefer  University Medical Center of the Ruprecht-Karls-University of Heidelberg, Im Neuenheimer Feld 346, 69120 Heidelberg, Germany (Franz.Schaefermed.uni-heidelberg.de). Dr. Schaefer completed a two-year clinical research fellowship at the Pediatric Nephrology Division of Heidelberg University's Children's Hospital after graduation from Würzburg University Medical School in 1986. He followed this with pediatric-training and pediatric-nephrology subspecialty fellowships at the same institution. In 1995, Dr. Schaefer became a consultant and associate professor in pediatrics and pediatric nephrology. In 2002, he was granted full professorship, and in October 2004, he became head of the Pediatric Nephrology division and the pediatric ESRD (end-stage renal disease) program at Heidelberg University Medical Center. Dr. Schaefer founded and coordinates the (Mid) European Pediatric Peritoneal Dialysis Study Group ((M)EPPS), and organized the International Pediatric Peritonitis Registry. He is associate editor of Pediatric Nephrology and assistant editor of Peritoneal Dialysis International. He is a current council member of the European Society for Pediatric Nephrology. Dr. Schaefer has published 110 original articles, 40 review articles, and 45 book chapters. In his function as pediatric liaison officer for the International Society for Peritoneal Dialysis, he continuously updates the council about new developments in pediatric peritoneal dialysis (PD). The global dissemination of practical knowledge regarding the use of PD in children through training courses for colleagues in developing countries is an additional focus of his activity. Dr. Schaefer was the lead investigater for the pilot study described in this paper.

Christoph Weiss  IBM Global Business Services, Altrottstrasse 31, Walldorf, Germany 69190 (christoph_weissde.ibm.com). Mr. Weiss studied business information technology at the University of Cooperative Education in Stuttgart. He has worked for IBM since 1999. As an IT specialist within the Wireless Broadband and Sensing Solutions EBO (Emerging Business Opportunity), he is responsible for sensor-based and remote-monitoring projects with special emphasis on health-care solutions.