Tata Institute of Fundamental Research (TIFR)'s chemical sciences professor R V Hosur said, "Non-ionising radiation such as mobile emission causes only local change in temperature depending on the extent of use". Indian American oncologist Dr Siddhartha Mukherjee, said if there is a link between EMF and cancer then "it must be occurring through a mechanism that lies outside anything that we know about the standard mechanisms of carcinogenesis".