The most frequent collaborator has been Professor Giuseppe Piccione, a research veterinarian from the University of Messina, in Sicily (Italy).

Collaboration has been recently initiated with Professor Gianluca Tosini, a molecular biologist at Morehouse School of Medicine, in Atlanta (Georgia).

Collaboration has also been recently initiated with Professor Tony Buffington, a research veterinarian at the College of Veterinary Medi- cine of Ohio State University.

Collaboration has also been initiated with Professor Timothy Bromage, a biological anthropologist at the College of Dentistry of New York University, in New York City.

In recent years, the lab has had the the honor of collabo- rating in various projects with Professor Franz Halberg, one of the forefathers of circadian physiology and the creator of the term circadian. Nearing his 90th birthday, Halberg is still quite active in research and scholarship.

Dr. Refinetti's graduate adviser was Professor Harry Carlisle, at the University of California, Santa Barbara. The research area was thermal biology.

Dr. Refinetti's postdoctoral adviser was Professor Michael Menaker, at the University of Virginia. The research area was circadian biology.