Classification of rhabdomyosarcomas and related sarcomas. Pathologic aspects and proposal for a new classification‐an intergroup rhabdomyosarcoma study

William A. Newton, Edmund A. Gehan, Bruce L. Webber, Henry B. Marsden, A. J.M. van Unnik, Ala B. Hamoudi, Maria C. Tsokos, Hiroyuki Shimada, Dieter Harms, Dietmar Schmidt, Vito Ninfo, Andrea O. Cavazzana, Frank Gonzalez‐Crussi, David M. Parham, Herbert M. Reiman, Lina Asmar, Mohan S. Beltangady, Nancy E. Sachs, Timothy J. Triche, Harold M. Maurer