White, Petera,∗; Lewith, Georgea; Hopwood, Vala; Prescott, Philb
aComplementary Medicine Research Unit, Mail Point OPH, Royal South Hants Hospital, University of Southampton, Brintons Terrace, Southampton, UK
bDepartment of Mathematics, University of Southampton, Southampton, UK
∗Corresponding author. Tel.: +44–23–8082–5584; fax: +44–23–8082–5243
E-mail: [email protected]
Submitted December 6, 2002; revised July 1, 2003; accepted August 22, 2003.