In contrast , many other researchers , including Robert Klitzman , S. Lindenbaum , R. Glasse , and kuru field researchers at the Papua New Guinea Institute of Medical Research have documented reports that confirm the practice of cannibalism .
Many other researchers , including Robert Klitzman , S. Lindenbaum , R. Glasse , and researchers at the Papua New Guinea Institute of Medical Research have made reports that say that the cannibalism still happened .