 Complete the following phrase:  Due to the varying rates of transmission of COVID-19 across European countries during the time of the Round of 16 first leg ties, different matches were affected in different ways. Because of this severity of the COVID-19 pandemic in Italy at the time, the games involving Inter Milan and A.S. Roma were postponed, whereas games hosted in Greece, Germany, and Austria went ahead but behind closed doors. Games hosted in Turkey and Scotland went ahead as normal. On 15 March, UEFA announced that none of the Round of 16 second leg ties would go ahead in the following week, postponing them indefinitely, with a taskforce convened to reschedule the rest of the season. On 23 March, it was announced that the Stadion Energa Gdańsk in Gdańsk, Poland would no longer host the 