| article html file updated | 31 August 2025 09:21 CEST | Update | https://www.mdpi.com/1422-0067/21/2/639 |
| article html file updated | 20 July 2022 17:52 CEST | Update | - |
| article html file updated | 15 February 2020 04:07 CET | Update | - |
| article html file updated | 5 February 2020 19:06 CET | Update | - |
| article html file updated | 21 January 2020 10:35 CET | Update | - |
| article pdf uploaded. | 21 January 2020 10:29 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/639/pdf |
| article xml uploaded. | 21 January 2020 10:29 CET | Update | https://www.mdpi.com/1422-0067/21/2/639/xml |
| article xml file uploaded | 21 January 2020 10:29 CET | Update | - |
| article html file updated | 18 January 2020 10:26 CET | Original file | - |
| article pdf uploaded. | 18 January 2020 10:24 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/639/pdf-vor |
| article xml uploaded. | 18 January 2020 10:24 CET | Update | - |
| article xml file uploaded | 18 January 2020 10:24 CET | Original file | - |
