| article html file updated | 30 August 2025 10:18 CEST | Update | https://www.mdpi.com/1996-1944/12/1/50 |
| article html file updated | 17 July 2022 18:27 CEST | Update | - |
| article html file updated | 11 February 2020 05:03 CET | Update | - |
| article html file updated | 12 October 2019 10:33 CEST | Update | - |
| article html file updated | 27 April 2019 15:11 CEST | Update | - |
| article html file updated | 13 April 2019 11:02 CEST | Update | - |
| article html file updated | 2 April 2019 18:09 CEST | Update | - |
| article html file updated | 16 January 2019 04:56 CET | Update | - |
| article html file updated | 24 December 2018 10:17 CET | Original file | - |
| article pdf uploaded. | 24 December 2018 10:16 CET | Version of Record | https://www.mdpi.com/1996-1944/12/1/50/pdf |
| article xml uploaded. | 24 December 2018 10:16 CET | Update | https://www.mdpi.com/1996-1944/12/1/50/xml |
| article xml file uploaded | 24 December 2018 10:16 CET | Original file | - |
