Expression of Concern to: A protocol for a cluster-randomized controlled trial testing an empowerment intervention to prevent sexual assault in upper primary school adolescents in the informal settlements of Nairobi, Kenya

• Clea SarnquistStanford Medicine
• Jennifer Lee KangStanford Medicine
• Mary Amuyunzu–NyamongoAfrican Institute for Health and Development
• Gabriel OgudaAfrican Institute for Health and Development
• Dorothy OtienoAfrican Institute for Health and Development
• Benjamin Mboya
• Nancy Omondi
• Duncan Kipkirui
• Michael BaiocchiStanford Medicine