| article html file updated | 30 August 2025 11:59 CEST | Update | https://www.mdpi.com/1422-0067/20/4/821 |
| article html file updated | 19 July 2022 04:50 CEST | Update | - |
| article html file updated | 11 February 2020 15:58 CET | Update | - |
| article html file updated | 14 October 2019 23:32 CEST | Update | - |
| article html file updated | 26 April 2019 16:56 CEST | Update | - |
| article html file updated | 12 April 2019 12:48 CEST | Update | - |
| article html file updated | 3 April 2019 20:19 CEST | Update | - |
| article html file updated | 1 March 2019 15:58 CET | Update | - |
| article html file updated | 1 March 2019 00:04 CET | Update | - |
| article html file updated | 14 February 2019 11:04 CET | Original file | - |
| article pdf uploaded. | 14 February 2019 11:02 CET | Version of Record | https://www.mdpi.com/1422-0067/20/4/821/pdf |
| article xml uploaded. | 14 February 2019 11:02 CET | Update | https://www.mdpi.com/1422-0067/20/4/821/xml |
| article xml file uploaded | 14 February 2019 11:02 CET | Original file | - |
