According to the Associated Press 29 other captives were participating in the hunger strike in late October 2009. An affidavit from Sondra Crosby, a Professor at Boston University's School of Medicine who examined Shalabi at the request of his attorneys, stated: "It is uncontested that Mr. Shalabi needs to be fed more calories, otherwise he will die." She said his weight loss could be due to other causes like hyperthyroidism, cancer or infection.