| article html file updated | 31 August 2025 14:06 CEST | Update | https://www.mdpi.com/1422-0067/21/6/1909 |
| article html file updated | 20 July 2022 22:35 CEST | Update | - |
| article html file updated | 2 April 2020 01:32 CEST | Update | - |
| article html file updated | 25 March 2020 09:35 CET | Original file | - |
| article pdf uploaded. | 25 March 2020 09:33 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/6/1909/pdf |
| article xml uploaded. | 25 March 2020 09:33 CET | Update | https://www.mdpi.com/1422-0067/21/6/1909/xml |
| article xml file uploaded | 25 March 2020 09:33 CET | Update | - |
| article pdf uploaded. | 11 March 2020 11:45 CET | Version of Record | https://www.mdpi.com/1422-0067/21/6/1909/pdf-vor |
| article xml file uploaded | 11 March 2020 11:45 CET | Original file | - |
