| article html file updated | 24 December 2025 13:09 CET | Update | https://www.mdpi.com/2071-1050/2/6/1602 |
| article html file updated | 28 September 2025 18:55 CEST | Update | - |
| article html file updated | 29 August 2025 20:13 CEST | Update | - |
| article html file updated | 15 July 2022 21:34 CEST | Update | - |
| article html file updated | 5 February 2020 14:42 CET | Update | - |
| article html file updated | 18 September 2019 23:28 CEST | Update | - |
| article html file updated | 9 May 2019 05:59 CEST | Update | - |
| article html file updated | 20 March 2019 00:51 CET | Update | - |
| article html file updated | 14 March 2017 06:39 CET | Original file | - |