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. 2019 Nov 1;19(21):4752. doi: 10.3390/s19214752
•  SR1: Mutual authentication. •  SR7: DoS attacks.
•  SR2: Tag untraceability. •  SR8: Replay attacks.
•  SR3: Tag anonymity. •  SR9: Location tracking attack.
•  SR4: Backward/Forward secrecy.     •  SR10: Forgery attack.
•  SR5: Scalability. •  SR11: Stolen-verifier attacks.
•  SR6: Collision attacks.