| article html file updated | 30 August 2025 12:20 CEST | Update | https://www.mdpi.com/1422-0067/20/4/981 |
| article html file updated | 19 July 2022 15:32 CEST | Update | - |
| article html file updated | 11 February 2020 18:13 CET | Update | - |
| article html file updated | 15 October 2019 13:29 CEST | Update | - |
| article html file updated | 26 April 2019 12:06 CEST | Update | - |
| article html file updated | 12 April 2019 07:35 CEST | Update | - |
| article html file updated | 4 April 2019 02:32 CEST | Update | - |
| article html file updated | 1 March 2019 16:58 CET | Update | - |
| article html file updated | 1 March 2019 11:29 CET | Update | - |
| article html file updated | 25 February 2019 01:39 CET | Original file | - |
| article pdf uploaded. | 24 February 2019 05:08 CET | Version of Record | https://www.mdpi.com/1422-0067/20/4/981/pdf |
| article xml uploaded. | 24 February 2019 05:08 CET | Update | https://www.mdpi.com/1422-0067/20/4/981/xml |
| article xml file uploaded | 24 February 2019 05:08 CET | Original file | - |
