| article html file updated | 30 August 2025 13:02 CEST | Update | https://www.mdpi.com/2311-5521/4/1/50 |
| article html file updated | 19 July 2022 16:25 CEST | Update | - |
| article html file updated | 11 February 2020 22:29 CET | Update | - |
| article html file updated | 16 October 2019 16:09 CEST | Update | - |
| article html file updated | 26 April 2019 02:39 CEST | Update | - |
| article html file updated | 11 April 2019 21:40 CEST | Update | - |
| article html file updated | 10 April 2019 21:39 CEST | Update | - |
| article html file updated | 4 April 2019 14:02 CEST | Update | - |
| article html file updated | 15 March 2019 11:11 CET | Original file | - |
| article pdf uploaded. | 15 March 2019 11:10 CET | Version of Record | https://www.mdpi.com/2311-5521/4/1/50/pdf |
| article xml uploaded. | 15 March 2019 11:10 CET | Update | https://www.mdpi.com/2311-5521/4/1/50/xml |
| article xml file uploaded | 15 March 2019 11:10 CET | Original file | - |