| article html file updated | 30 August 2025 20:12 CEST | Update | https://www.mdpi.com/1996-1073/12/10/1991 |
| article html file updated | 19 July 2022 19:01 CEST | Update | - |
| article html file updated | 12 February 2020 14:47 CET | Update | - |
| article html file updated | 20 October 2019 15:59 CEST | Update | - |
| article html file updated | 4 June 2019 14:59 CEST | Update | - |
| article html file updated | 24 May 2019 09:13 CEST | Original file | - |
| article pdf uploaded. | 24 May 2019 09:12 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/10/1991/pdf |
| article xml uploaded. | 24 May 2019 09:12 CEST | Update | https://www.mdpi.com/1996-1073/12/10/1991/xml |
| article xml file uploaded | 24 May 2019 09:12 CEST | Original file | - |
