<qa>  What was the criterion changed to first medical contact in the prehospital- first medical contact in the prehospital setting or in a non-PCI hospital this criterion was changed by a protocol amendment in autumn 2012 to first medical contact in the prehospital setting, in a non-PCI hospital, or in a PCI-hospital, if the expected time until the start of the scheduled PCI is at least 20 minutes 