Original sentence: Based on his collaboration with Susan Bradley, Zucker is considered an international authority in the field of gender identity disorder in children (GDIC) and in adolescents.He previously served on workgroups for the DSM-IV and the DSM-IV-TR.His clinic has probably diagnosed more GDIC than any other facility in the world
Edited sentence: Based on his collaboration with Susan Bradley, Zucker is allegedly considered an international authority in the  gender identity disorder in children (GDIC) and in adolescents.CBS report :Professor Lynn Conway on Dr.His  widely challenged " transgenderreparative therapy" has no more proof of  success  than religion inspired "gay reparative therapy" which caused suicides and shattered lives.Kenneth Zucker.The transsexual community  around the world challenged Zucker's appointment  and which tried to have him removed from  the council for the DSM advisor