Original: Starting in 1989 , Swedish medical doctor and scientist Staffan Lindeberg , now associate professor at Lund University , Sweden , led scientific surveys of the non-westernized population on Kitava , one of the Trobriand Islands of Papua New Guinea .
Simplified: Starting in 1989 , Swedish medical doctor and scientist Staffan Lindeberg did scientific studies of people living on Kitava , one of the Trobriand Islands of Papua New Guinea .