Mark Schmidt (C), a German sports physician accused of masterminding an international blood-doping network dismantled last year, arrives with his lawyers Juri Goldstein (L) and Alexander Dann (R) for the start of his trial on September 16, 2020 in Munich. - Schmidt, 42, from Erfurt, and four co-defendants who allegedly aided him, are accused of helping at least two dozen athletes undergo blood transfusions to boost performance illicitly from "the end of 2011 at the latest", according to state prosecutors. (Photo by Peter Kneffel / POOL / AFP) (Photo by PETER KNEFFEL/POOL/AFP via Getty Images)