They measured the density of lymph vessels around the melanomas, and then assessed which patients actually went on to developsecondary cancers within eight years.
Usually after a decade or so, half of patients with this type of MS will developsecondary progressive disease where the symptoms get gradually worse and there are no or very few periods of remission.
They were supported by Spain's Energy Secretary Pedro Marin Uribe, who said that energy policy could develop through secondary legislation, rather than through a new treaty.
To conduct awareness activities for young people about the importance of freedom of expression and the press in democratic societies, the Quito office will also develop educational packets for secondary schools in the Andean countries.
The Ministry of Education, Sports and Culture is working with the National University of Samoa with support from UNESCO to develop an in-service course for secondary science teachers which will be conducted early in 2013 by lecturers at the National University of Samoa.
The main objective of this programme is to build capacity in the field of science education and develop of scientific thinking and experimentation among primary and secondary students as well as academics.
In secondary education, specialist schools have shown significant improvements in results, and most secondary schools and are now exploring the best curriculum areas in which to develop real centres of excellence and boost their provision.