He had earlier skipped the entire indoor season of 2013 to concentrate on his preparations for the 2013 World Championships in Moscow .
Tamgho returned to athletics competition in May 2013 after an absence of 22 months .
Tamgho had earlier skipped the entire indoor season of 2013 to concentrate on Tamgho 's preparations for the 2013 World Championships in Moscow .
Tamgho returned to athletics competition in May 2013 after an absence of 22 months .