HIV/AIDS-related non-Hodgkin’s lymphomas and confounders: preliminary report of the Sub-Saharan Africa Lymphoma Consortium (SSALC) by Ayers Leona W, Akin Abayomi E, Adebamowo Clement, Chumba David K, Iliyasu Yawale, Naresh Kikkeri N, NDung’u Joseph R, Perner Yvonne, Stevens Wendy, Tumwine Lynnette K