Ref:    https://chat.fhir.org/#narrow/stream/229922-Da.2BVinci.2BPDex.2BPlan-Net/topic/Network.20Cardinality    From: 

• aritra.kundu@cognizant.com

Is there any specific reason to have address field as 0..1 for Plan net Network whereas the same field's cardinality is 0..* for Organization (Plan Net Organization & Base).