| article html file updated | 31 August 2025 14:10 CEST | Update | https://www.mdpi.com/1422-0067/21/6/1920 |
| article html file updated | 20 July 2022 22:38 CEST | Update | - |
| article html file updated | 2 April 2020 01:37 CEST | Update | - |
| article html file updated | 12 March 2020 14:25 CET | Original file | - |
| article pdf uploaded. | 12 March 2020 14:23 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/6/1920/pdf |
| article xml uploaded. | 12 March 2020 14:23 CET | Update | https://www.mdpi.com/1422-0067/21/6/1920/xml |
| article xml file uploaded | 12 March 2020 14:23 CET | Update | - |
| article pdf uploaded. | 11 March 2020 15:06 CET | Version of Record | https://www.mdpi.com/1422-0067/21/6/1920/pdf-vor |
| article xml file uploaded | 11 March 2020 15:06 CET | Original file | - |
