Table 1.

Contacted and responding countries

Region	Number of countries contacted	Countries contacted	Number of respondents
Europe	29	Austria, Belgium, Croatia, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Israel, Italy, Luxembourg, Macedonia, Netherlands, Norway, Poland, Portugal, Romania, Russia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, UK, Ukraine	23
North and Central America	4	USA, Canada, Mexico, Cuba	2
South America	4	Brazil, Argentina, Chile, Peru	0
Asia	8	India, Hong Kong, Taiwan, Japan, China, Singapore, Malaysia, Saudi Arabia	5
Africa	4	South Africa, Malawi, Kenya, Ghana	2
Australasia	1	Australia	1
Total	50		33