Toward an Intelligent Energy Efficient and Trustworthy 6G M&O Architecture. - Nassima Toumi; Joaquín Cáceres; Fernando Lamela; Santiago Rodríguez; Constantine Ayimba; Ioannis Tzanettis; Anastasios Zafeiropoulos; Leyli Karaçay; Vasiliki Lamprousi; Mehmet Karaca 001; Franco Ruggeri; Ignacio Labrador Pavón (IEEE Commun. Mag., 2026)