| article html file updated | 24 December 2025 21:15 CET | Update | https://www.mdpi.com/1422-0067/21/18/6540 |
| article html file updated | 1 September 2025 07:52 CEST | Update | N/A |
| article html file updated | 22 July 2022 06:18 CEST | Update | N/A |
| article html file updated | 8 September 2020 06:06 CEST | Original file | N/A |
| article pdf uploaded. | 8 September 2020 06:05 CEST | Updated version of record | https://www.mdpi.com/1422-0067/21/18/6540/pdf |
| article xml uploaded. | 8 September 2020 06:05 CEST | Update | https://www.mdpi.com/1422-0067/21/18/6540/xml |
| article xml file uploaded | 8 September 2020 06:05 CEST | Original file | N/A |
| article pdf uploaded. | 7 September 2020 14:22 CEST | Updated version of record | https://www.mdpi.com/1422-0067/21/18/6540/pdf-vor |
| article pdf uploaded. | 7 September 2020 14:21 CEST | Version of Record | https://www.mdpi.com/1422-0067/21/18/6540/pdf-vor |
