| article html file updated | 31 August 2025 08:44 CEST | Update | https://www.mdpi.com/1422-0067/21/2/457 |
| article html file updated | 20 July 2022 17:15 CEST | Update | - |
| article html file updated | 15 February 2020 01:59 CET | Update | - |
| article html file updated | 5 February 2020 18:20 CET | Update | - |
| article html file updated | 17 January 2020 09:41 CET | Update | - |
| article pdf uploaded. | 17 January 2020 09:40 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/457/pdf |
| article xml uploaded. | 17 January 2020 09:40 CET | Update | https://www.mdpi.com/1422-0067/21/2/457/xml |
| article xml file uploaded | 17 January 2020 09:40 CET | Update | - |
| article html file updated | 16 January 2020 18:36 CET | Original file | - |
| article pdf uploaded. | 16 January 2020 11:36 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/457/pdf-vor |
| article xml uploaded. | 16 January 2020 11:36 CET | Update | - |
| article xml file uploaded | 16 January 2020 11:36 CET | Update | - |
| article pdf uploaded. | 10 January 2020 16:34 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/457/pdf-vor |
| article xml file uploaded | 10 January 2020 16:34 CET | Original file | - |
