Managing editor: 

Anja Helmerhorst
Phone: +31 71 301 31 82
Fax: +31 71 301 2822
Email: ahelmerhorst@LUMC.nl
PO Box 9600
NL 2300 RC Leiden
The Netherlands

Co-ordinating editor: 

Frans M. Helmerhorst
Dpt. Gynaecology & Reproductive Medicine
Leiden University Medical Center
PO BOX 9600
NL 2300 RC Leiden
The Netherlands
Tel: +31 71 5262871 / 301 3182
Fax: +31 71 301 2822
email: F.M.Helmerhorst@LUMC.nl

Visiting address: 

Albinusdreef 2 (nearby Central Station of Leiden)
Leiden