Statement by Chris Cathcart, President, CSPA “CSPA has not had an opportunity for a detailed review of the epidemiological study authored by Jan-Paul Zock. However, while we cannot make any definitive comment on this specific study, we can say that such longitudinal studies usually draw conclusions based on a correlation of various data. This process does not necessarily demonstrate a true cause-and- effect relationship. Nevertheless, we are taking the study seriously and will be looking ...