| article html file updated | 24 December 2025 17:49 CET | Update | https://www.mdpi.com/1422-0067/21/5/1720 |
| article html file updated | 31 August 2025 13:22 CEST | Update | N/A |
| article html file updated | 20 July 2022 21:51 CEST | Update | N/A |
| article html file updated | 18 March 2020 22:04 CET | Update | N/A |
| article html file updated | 3 March 2020 14:45 CET | Original file | N/A |
| article pdf uploaded. | 3 March 2020 14:43 CET | Version of Record | https://www.mdpi.com/1422-0067/21/5/1720/pdf |
| article xml uploaded. | 3 March 2020 14:43 CET | Update | https://www.mdpi.com/1422-0067/21/5/1720/xml |
| article xml file uploaded | 3 March 2020 14:43 CET | Original file | N/A |
