Complex sentence: Incidence of the use of performance-enhancing drugs (commonly disparaged as "doping" by sports organizations) in football seems to be low, but much closer collaboration and further investigation seems needed with regard to banned substances, detection methods, and data collection worldwide.
Split into simpler sentences: Incidence of the use of performance-enhancing drugs ("doping") in football seems to be low. However, much closer collaboration and further investigation seems needed with regard to banned substances, detection methods, and data collection worldwide.