Michiels provided a sample after his competition, and it found dorzolamide, a banned substance. Dorzolamide is classified as a diuretic and masking agent by the World Anti-Doping Agency.

The ITA said the analysis of Michiels's sample from the Olympics reported an adverse analytical finding for dorzolamide -- a prohibited substance -- which resulted in an anti-doping rule violation ...

The ITA said the analysis of Michiels’s sample from the Olympics reported an adverse analytical finding for dorzolamide -- a prohibited substance -- which resulted in an anti-doping rule violation ...