| article html file updated | 31 August 2025 08:42 CEST | Update | https://www.mdpi.com/1422-0067/21/2/451 |
| article html file updated | 20 July 2022 17:13 CEST | Update | - |
| article html file updated | 15 February 2020 01:53 CET | Update | - |
| article html file updated | 5 February 2020 18:18 CET | Update | - |
| article html file updated | 20 January 2020 12:06 CET | Original file | - |
| article pdf uploaded. | 20 January 2020 12:03 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/451/pdf |
| article xml uploaded. | 20 January 2020 12:03 CET | Update | https://www.mdpi.com/1422-0067/21/2/451/xml |
| article xml file uploaded | 20 January 2020 12:03 CET | Update | - |
| article pdf uploaded. | 10 January 2020 14:02 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/451/pdf-vor |
| article xml file uploaded | 10 January 2020 14:02 CET | Original file | - |
