Diabetologia (2003) 46:1669–1675

Due to an oversight by the authors, the following Acknowledgement was omitted:

“The authors would like to acknowledge the essential contributions made to this study by: M. J. M. Ursich, D. Marreiro-Rocha, M.E. Rossi da Silva, M. R. Soares, R. Fukui (all FMUSP Sao Paulo, Brazil) and P. Massote (Belo Horizonte, Brazil), and would like to thank them for their important work.”