[1] Hosp Sao Sebastiao, Sao Sebastian, Portugal
[2] Warwick Medcl Sch, Coventry, W Midlands, England
[3] Univ Munster, D-4400 Munster, Germany
[4] Eli Lilly & Co, Copenhagen, Denmark
[5] Eli Lilly & Co, Windlesham, Surrey, England
[6] Eli Lilly & Co, Basingstoke, Hants, England