| article html file updated | 30 August 2025 02:35 CEST | Update | https://www.mdpi.com/2504-2289/2/1/4 |
| article html file updated | 16 July 2022 09:13 CEST | Update | - |
| article html file updated | 2 December 2020 09:58 CET | Update | - |
| article html file updated | 2 December 2020 09:51 CET | Update | - |
| article xml uploaded. | 2 December 2020 09:49 CET | Update | https://www.mdpi.com/2504-2289/2/1/4/xml |
| article html file updated | 9 February 2020 06:24 CET | Update | - |
| article html file updated | 1 May 2019 18:56 CEST | Update | - |
| article html file updated | 17 April 2019 18:11 CEST | Update | - |
| article html file updated | 28 March 2019 22:50 CET | Update | - |
| article html file updated | 12 February 2018 10:35 CET | Original file | - |
| article xml uploaded. | 12 February 2018 10:34 CET | Original file | - |
| article pdf uploaded. | 12 February 2018 10:34 CET | Version of Record | https://www.mdpi.com/2504-2289/2/1/4/pdf |