| article html file updated | 30 August 2025 10:11 CEST | Update | https://www.mdpi.com/2073-4360/11/1/4 |
| article html file updated | 17 July 2022 17:30 CEST | Update | - |
| article html file updated | 11 February 2020 04:25 CET | Update | - |
| article html file updated | 12 October 2019 06:33 CEST | Update | - |
| article html file updated | 27 April 2019 16:36 CEST | Update | - |
| article html file updated | 13 April 2019 12:28 CEST | Update | - |
| article html file updated | 2 April 2019 16:31 CEST | Update | - |
| article html file updated | 29 January 2019 02:06 CET | Update | - |
| article html file updated | 20 December 2018 13:59 CET | Original file | - |
| article pdf uploaded. | 20 December 2018 13:58 CET | Version of Record | https://www.mdpi.com/2073-4360/11/1/4/pdf |
| article xml uploaded. | 20 December 2018 13:58 CET | Update | https://www.mdpi.com/2073-4360/11/1/4/xml |
| article xml file uploaded | 20 December 2018 13:58 CET | Original file | - |
