None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: University students who 1. are officially registered in Zhejiang university; 2. agree to provide a phone number or other contact information for follow-up; 3. are willing to participate in a follow-up survey, and 4. fully understand the facts about the trial with the informed consent will be eligible for the study.
Exclusion criteria
Exclusion criteria: Respondents who could not complete the questionnaire were excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| willingness to pay; | — |
Countries
China
Contacts
Zhejiang University