| article html file updated | 23 October 2025 06:38 CEST | Update | https://www.mdpi.com/2076-2615/9/2/55 |
| article html file updated | 30 August 2025 11:55 CEST | Update | - |
| article html file updated | 18 July 2022 06:05 CEST | Update | - |
| article html file updated | 11 February 2020 15:16 CET | Update | - |
| article html file updated | 14 October 2019 19:57 CEST | Update | - |
| article html file updated | 26 April 2019 18:13 CEST | Update | - |
| article html file updated | 12 April 2019 14:10 CEST | Update | - |
| article html file updated | 3 April 2019 18:42 CEST | Update | - |
| article html file updated | 1 March 2019 21:29 CET | Update | - |
| article html file updated | 28 February 2019 21:09 CET | Update | - |
| article html file updated | 12 February 2019 11:44 CET | Original file | - |
| article pdf uploaded. | 12 February 2019 11:43 CET | Version of Record | https://www.mdpi.com/2076-2615/9/2/55/pdf |
| article xml uploaded. | 12 February 2019 11:43 CET | Update | https://www.mdpi.com/2076-2615/9/2/55/xml |
| article xml file uploaded | 12 February 2019 11:43 CET | Original file | - |