31.   The three athletes were suspended pending a hearing by USA Track and Field over alleged drug use.

32.   Under standard rules, an athlete is suspended after a first offense.

33.   Under previous IAAF rules, an athlete was not suspended nor any announcement made until both samples had tested positive.

34.   We are still awaiting a decision, and until then, the IAAF says these athletes are suspended.

35.   Both athletes have been suspended pending a hearing.

36.   Previously athletes were only suspended after a second sample confirmed the result of the first positive test.

37.   Some countries, such as Canada, have not suspended athletes for medical use of pseudoephedrine.

38.   The International Amateur Athletic Federation suspends athletes who test positive for steroids for four years.