Justine A. Ellis (corresponding author)
Research Fellow, Department of Physiology, The University of Melbourne, Victoria 3010, Australia. Tel: +61 3 8344 0243; Fax: +61 3 9349 4519; E-mail: justine@unimelb.edu.au

Rodney Sinclair
Senior Lecturer, University of Melbourne Department of Dermatology, St Vincent’s Hospital, Victoria Parade, Melbourne, Victoria 3065, Australia. Tel: +61 3 9288 3293; Fax: +61 3 9288 3292; E-mail: sinclair@svhm.org.au

Stephen B. Harrap
Professor and Head, Department of Physiology, The University of Melbourne, Victoria 3010, Australia. Tel: +61 3 8344 5836; Fax: +61 3 9349 4519; E-mail: s.harrap@unimelb.edu.au