Altered host immunity, human T lymphotropic virus type I replication, and risk of adult T-cell leukemia/lymphoma: a prospective analysis from the ATL Cohort Consortium by Tsugane Shoichiro, Li Hongchuan, Stuver Sherri O, Sawada Takashi, Pfeiffer Ruth M, Murphy Edward L, Martínez-Maza Otoniel, Inoue Manami, Hanchard Barrie, Falk Kerstin I, Carneiro-Proietti Anna B F, Arisawa Kokichi, Breen Elizabeth C, Kim Norma, Okayama Akihiko, Birmann Brenda M, Suppan Catherine A, Mueller Nancy E, Hisada Michie