| article html file updated | 31 August 2025 09:00 CEST | Update | https://www.mdpi.com/1422-0067/21/2/540 |
| article html file updated | 20 July 2022 17:32 CEST | Update | - |
| article html file updated | 15 February 2020 02:56 CET | Update | - |
| article html file updated | 5 February 2020 18:40 CET | Update | - |
| article html file updated | 17 January 2020 12:03 CET | Update | - |
| article pdf uploaded. | 17 January 2020 12:02 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/540/pdf |
| article xml uploaded. | 17 January 2020 12:02 CET | Update | https://www.mdpi.com/1422-0067/21/2/540/xml |
| article xml file uploaded | 17 January 2020 12:02 CET | Update | - |
| article html file updated | 15 January 2020 06:51 CET | Original file | - |
| article pdf uploaded. | 15 January 2020 06:49 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/540/pdf-vor |
| article xml uploaded. | 15 January 2020 06:49 CET | Update | - |
| article xml file uploaded | 15 January 2020 06:49 CET | Original file | - |
