| article html file updated | 31 August 2025 07:17 CEST | Update | https://www.mdpi.com/1996-1944/13/1/87 |
| article html file updated | 19 July 2022 21:00 CEST | Update | N/A |
| article html file updated | 14 February 2020 21:05 CET | Update | N/A |
| article html file updated | 16 January 2020 08:43 CET | Update | N/A |
| article html file updated | 25 December 2019 09:18 CET | Update | N/A |
| article pdf uploaded. | 25 December 2019 09:17 CET | Updated version of record | https://www.mdpi.com/1996-1944/13/1/87/pdf |
| article xml uploaded. | 25 December 2019 09:17 CET | Update | https://www.mdpi.com/1996-1944/13/1/87/xml |
| article xml file uploaded | 25 December 2019 09:17 CET | Update | N/A |
| article html file updated | 23 December 2019 11:23 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2019 11:22 CET | Version of Record | https://www.mdpi.com/1996-1944/13/1/87/pdf-vor |
| article xml uploaded. | 23 December 2019 11:22 CET | Update | N/A |
| article xml file uploaded | 23 December 2019 11:22 CET | Original file | N/A |
