| article html file updated | 30 August 2025 13:29 CEST | Update | https://www.mdpi.com/1911-8074/12/2/50 |
| article html file updated | 19 July 2022 17:00 CEST | Update | - |
| article html file updated | 12 February 2020 01:36 CET | Update | - |
| article html file updated | 17 October 2019 09:28 CEST | Update | - |
| article html file updated | 5 July 2019 06:49 CEST | Update | - |
| article html file updated | 25 April 2019 19:51 CEST | Update | - |
| article html file updated | 11 April 2019 15:08 CEST | Update | - |
| article html file updated | 10 April 2019 09:57 CEST | Update | - |
| article html file updated | 29 March 2019 09:50 CET | Original file | - |
| article pdf uploaded. | 29 March 2019 09:49 CET | Version of Record | https://www.mdpi.com/1911-8074/12/2/50/pdf |
| article xml uploaded. | 29 March 2019 09:49 CET | Update | https://www.mdpi.com/1911-8074/12/2/50/xml |
| article xml file uploaded | 29 March 2019 09:49 CET | Original file | - |
