| article html file updated | 30 August 2025 12:02 CEST | Update | https://www.mdpi.com/1422-0067/20/4/840 |
| article html file updated | 19 July 2022 05:33 CEST | Update | - |
| article html file updated | 11 February 2020 16:12 CET | Update | - |
| article html file updated | 15 October 2019 00:50 CEST | Update | - |
| article html file updated | 26 April 2019 16:27 CEST | Update | - |
| article html file updated | 12 April 2019 12:16 CEST | Update | - |
| article html file updated | 3 April 2019 20:55 CEST | Update | - |
| article html file updated | 1 March 2019 16:04 CET | Update | - |
| article html file updated | 1 March 2019 01:09 CET | Update | - |
| article html file updated | 15 February 2019 08:55 CET | Original file | - |
| article pdf uploaded. | 15 February 2019 08:52 CET | Version of Record | https://www.mdpi.com/1422-0067/20/4/840/pdf |
| article xml uploaded. | 15 February 2019 08:52 CET | Update | https://www.mdpi.com/1422-0067/20/4/840/xml |
| article xml file uploaded | 15 February 2019 08:52 CET | Original file | - |
