[1] School of Pharmacy,
[2] University of Otago,undefined
[3] P.O. Box 913,undefined
[4] Dunedin,undefined
[5] New Zealand E-mail: sompon.wanwimolruk@stonebow.otago.ac.nz Fax: +64-3-479-7034,undefined
[6] Department of Medicine,undefined
[7] University of Otago,undefined
[8] Dunedin,undefined
[9] New Zealand,undefined