The type dx:respPersonListType offers the possibility to specify several elements respPerson of the type dx:respPersonType.
The tree structure of the type dx:respPersonListType has the following appearance:
<xs:complexType name="respPersonListType">
<xs:sequence>
<xs:element name="respPerson" type="dx:respPersonType" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>