Broadcast encryption (BE) schemes allow a sender to securely broadcast to any subset of members but requires a trusted party to distribute decryption keys. Group key agreement (GKA) protocols enable a group of members to negotiate a common encryption key via open networks so that only the members can decrypt the ciphertexts encrypted under the shared encryption key, but a sender cannot exclude ...

Schools have become increasingly interested in social-emotional learning (SEL) over the past decade, and that interest has grown due to concern about student well-being resulting from COVID-19 pandemic. However, there is confusion around SEL. Christi Bergin, Christina Cipriano, Tia Barnes, Shannon B. Wanless, researchers who studied designed SEL for decades, respond questions frequently asked b...

Adult tracheostomy and laryngectomy airway emergencies are uncommon, but do lead to significant morbidity and mortality. The National Tracheostomy Safety Project incorporates key stakeholder groups with multi-disciplinary expertise in airway management. , the Intensive Care Society, the Royal College of Anaesthetists, ENT UK, the British Association of Oral and Maxillofacial Surgeons, the Colle...

BACKGROUND Reducing the burden of disease relies on availability of evidence-based clinical practice guidelines (CPGs). There is limited data on availability, quality and content of guidelines within the Southern African Development Community (SADC). This evaluation aims to address this gap in knowledge and provide recommendations for regional guideline development. METHODS We prioritised fiv...