| article html file updated | 31 August 2025 11:37 CEST | Update | https://www.mdpi.com/1996-1073/13/4/821 |
| article html file updated | 20 July 2022 20:08 CEST | Update | - |
| article html file updated | 7 March 2020 10:36 CET | Update | - |
| article html file updated | 7 March 2020 08:49 CET | Update | - |
| article html file updated | 21 February 2020 04:27 CET | Original file | - |
| article pdf uploaded. | 21 February 2020 04:25 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/821/pdf |
| article xml uploaded. | 21 February 2020 04:25 CET | Update | https://www.mdpi.com/1996-1073/13/4/821/xml |
| article xml file uploaded | 21 February 2020 04:25 CET | Update | - |
| article pdf uploaded. | 13 February 2020 17:19 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/821/pdf-vor |
| article xml file uploaded | 13 February 2020 17:19 CET | Original file | - |
