public FDP()
{
this.DispatchAllocations = new List<DispatchAllocation>();
this.RegionalRequestDetails = new List<RegionalRequestDetail>();
this.ReliefRequisitionDetails = new List<ReliefRequisitionDetail>();
this.TransportOrderDetails = new List<TransportOrderDetail>();
this.Contacts = new List<Contact>();
this.DistributionByAgeDetails=new List<DistributionByAgeDetail>();
}