| article html file updated | 31 August 2025 08:54 CEST | Update | https://www.mdpi.com/1422-0067/21/2/506 |
| article html file updated | 20 July 2022 17:25 CEST | Update | - |
| article html file updated | 15 February 2020 02:35 CET | Update | - |
| article html file updated | 5 February 2020 18:32 CET | Update | - |
| article html file updated | 22 January 2020 08:01 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 08:00 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/506/pdf |
| article xml uploaded. | 22 January 2020 08:00 CET | Update | https://www.mdpi.com/1422-0067/21/2/506/xml |
| article xml file uploaded | 22 January 2020 08:00 CET | Update | - |
| article pdf uploaded. | 13 January 2020 15:26 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/506/pdf-vor |
| article xml file uploaded | 13 January 2020 15:26 CET | Original file | - |