Footnote
b Ingxelo eyanikelwa kwiScience News ngohlolisiso olwenziwayo yabonisa ukuba ababukeli batyekela ekuchatshazelweni ngokunzulu gqitha koko bakubonayo “ingakhathaliseki indlela umboniso obonakala ungaqhelekanga ngayo” oko nje ‘beneempawu ezisondeleyo kwezo zomdlali okumabonwakude okanye kumfanekiso oshukumayo.’