Hallo, I just wanted to thank all those who responded to my (columns)-question. This list is great ! A few people asked me to make a summary of all the answers. OK, within a few days. # Nico Rozendaal, # # University of Maastricht, # # Dept. of Psychiatry & Neuropsychology, # # Maastricht, The Netherlands. # # e-mail: nico.rozendaal@np.unimaas.nl #