AcknowledgmentsThe research through

Acknowledgments
The research through international collaborations has
been supported by the Alexander-von-Humboldt Foundation,
Bonn, Germany and Hanse Wissenschaftskolleg, Delmenhorst,
Germany to S. Golubic. The authors are also
grateful to the Pacific Fund and the French Overseas
Ministry for making available financial assistance to organize
two field missions to Raivavae and to assist in setting
up population health education and training program.