; (ii) reducing barriers for such children receiving care from such providers in a timely fashion; (iii) screening and enrolling out-of-State providers, including efforts to stream­line the process or reduce the burden on out-of-State providers that do not regularly treat children from the State or that only treat a small number of children from the State (which may include providing for payment to such a provider without requiring the provider to enroll in the State plan); (iv) providing for payment to out-of-State providers that provide care for children with complex medical conditions in emergency and non-emergency situations