1Unit for Cybermedicine and eHealth, Department of Clinical Social Medicine, University of Heidelberg, Bergheimer Str 58, 69115 Heidelberg, Germany, 2Joint Center for Bioethics, University of Toronto, Toronto, Ontario M5G 2M9, Canada
Accepted for publication 4 October 2001
Contributors: Both authors contributed equally to this manuscript.
Correspondence to: G Eysenbach [email protected]
All authors of the quotes from newsgroups and mailing lists have given their consent to quote them.
Funding: JET's contributions were partially supported by an award from the National Cancer Institute of Canada.
Competing interests: None declared.
