About the Authors


Krzysztof P. Wroblewski, Ph.D.
University of Pennsylvania School of Medicine
Room 96 John Morgan Building
Philadelphia, PA 19104-6055
phone: (215) 898-6396
fax: (215) 898-5642
e-mail: krzyszto@mail.med.upenn.edu

Zhi Yun Tian, M.D.
Children's Hospital of Philadelphia
34th Street and Civic Center Boulevard
Philadelphia, PA 19104
phone: (215) 590-1816
fax: (215) 590-3788
e-mail: tian@email.chop.edu

Jack Rychik, M.D.
Children's Hospital of Philadelphia
34th Street and Civic Center Boulevard
Philadelphia, PA 191045
phone: (215) 590-2192
fax: (215) 590-3788
e-mail: jrychik@email.chop.edu

Piotr M. Wroblewski, B.Sc.
Wroblewski Consulting
P.O. Box 206
Drexel Hill, PA 19026
e-mail: pwrob@chek.com