 Complete the following phrase:  He has officiated games at the World Ice Hockey Championships in 2012 where he worked the gold-medal game, 2013 where he also worked the gold-medal game, 2014, 2016, 2017 where he worked the gold-medal game, 2018, he was selected for the 2020 championship but that year, it got cancelled because of the COVID-19 pandemic and he also officiated at the 