| article html file updated | 30 August 2025 09:06 CEST | Update | https://www.mdpi.com/2411-9660/2/4/50 |
| article html file updated | 17 July 2022 10:34 CEST | Update | - |
| article html file updated | 10 February 2020 22:44 CET | Update | - |
| article html file updated | 10 October 2019 20:07 CEST | Update | - |
| article html file updated | 28 April 2019 04:51 CEST | Update | - |
| article html file updated | 14 April 2019 00:58 CEST | Update | - |
| article html file updated | 2 April 2019 00:47 CEST | Update | - |
| article html file updated | 22 November 2018 10:36 CET | Original file | - |
| article pdf uploaded. | 22 November 2018 10:35 CET | Version of Record | https://www.mdpi.com/2411-9660/2/4/50/pdf |
| article xml uploaded. | 22 November 2018 10:35 CET | Update | https://www.mdpi.com/2411-9660/2/4/50/xml |
| article xml file uploaded | 22 November 2018 10:35 CET | Original file | - |