Table 2.

Principles of trust verification.

Privacy and trust risksa	THEWS principle	High-level privacy principle
Unknown stakeholders’ business needs, interest, purposes, and policies	Right to use trust verification
No predefined trust to any system	Mandatory to publish systems’ trust parameters and policies	Trusted use of data
Unknown secondary users	Trust level calculation
Invisible ubiquitous infrastructure	Untrusted systems and users cannot participate in the DS’s health network

^a in the information space and in pervasive health