checkup = {
	id: 1,
	child_id: 25,
	timestamp: 1317114269,
	weight: 4120
	height: 51
	head_circumference: 26,
	vaccinations: [ {
			vaccination_id: 1
			checkup_id: 1
			child_id: 25
			vaccination_name: "Vaccin 1",
			vaccination_date: 1317111044
		}, {
			vaccination_id: 2
			checkup_id: 1
			child_id: 25
			vaccination_name: "Vaccin 2",
			vaccination_date: 1317111044
		}
	]
}