How should Avonex (interferon beta-1a) 30 micrograms/0.5 ml pre-filled syringes be warmed after removal from the refrigerator?

After removal from the refrigerator, allow Avonex (interferon beta-1a) 30 micrograms/0.5 ml pre-filled syringes to warm to room temperature (15°C–30°C) for about 30 minutes, without external heat sources such as hot water.