“…The reference literature for the individual countries is listed as follows: A: [7], [8], [9], [10], [11], D: [12], [13], [14], [15], [16], [17], [18], [19], DK/FI/SE/NO/IS: [20], [21], [22], [23], [24], [25] [26], ES: [27], [28], [29], [30], [31], [32], [33], [34], [35], FR: [36], [37], [38], [39], [40], HU: [41], [42], [43], IT: [44], [45], [46], [47], [48], [49], JP: [50], [51], [52], [53], [54], [55], [56], [57], [58], NL: [6], [59], [60], [61], [62], [63], [64], [65]. …”