| article html file updated | 31 August 2025 08:55 CEST | Update | https://www.mdpi.com/1422-0067/21/2/509 |
| article html file updated | 20 July 2022 17:26 CEST | Update | - |
| article html file updated | 15 February 2020 02:37 CET | Update | - |
| article html file updated | 5 February 2020 18:32 CET | Update | - |
| article html file updated | 22 January 2020 03:56 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 03:54 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/509/pdf |
| article xml uploaded. | 22 January 2020 03:54 CET | Update | https://www.mdpi.com/1422-0067/21/2/509/xml |
| article xml file uploaded | 22 January 2020 03:54 CET | Update | - |
| article pdf uploaded. | 13 January 2020 16:22 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/509/pdf-vor |
| article xml file uploaded | 13 January 2020 16:22 CET | Original file | - |
