Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to get immunizations for traveling [title] Check your vaccination records. [step] To start, you'll want to check your existing vaccination records to see if you're due for any routine immunizations. You can ask your parents or your doctor for a copy of your records.

Ending1: [substeps] Check weekly for missed doses of vaccine the year before. If the vaccine you use has been missed, you may be eligible for an immunization. Ending2: [substeps] It's also a good idea to check your new vaccines, as they may be outdated or over-checked. If you changed your vaccination records since you got your vaccines, try to still have them. Ending3: They may have expired vaccines in their houses as well, which means they should give you one. [substeps] If the year of your vaccination came to an end because of an unsafe vaccine against eczema, ask your doctor how much the vaccine cost will be. Ending4: You may also be able to find a copy online through the center for disease control and prevention website. [substeps] Routine vaccinations are the vaccinations you would have received as a child in the form of a booster shot.

Answer format: ending1/ending2/ending3/ending4