| article html file updated | 30 August 2025 08:16 CEST | Update | https://www.mdpi.com/2223-7747/7/4/93 |
| article html file updated | 17 July 2022 06:32 CEST | Update | - |
| article html file updated | 10 February 2020 18:29 CET | Update | - |
| article html file updated | 9 October 2019 17:36 CEST | Update | - |
| article html file updated | 28 April 2019 14:43 CEST | Update | - |
| article html file updated | 14 April 2019 09:53 CEST | Update | - |
| article html file updated | 1 April 2019 13:29 CEST | Update | - |
| article html file updated | 26 December 2018 23:30 CET | Update | - |
| article html file updated | 29 October 2018 12:06 CET | Original file | - |
| article pdf uploaded. | 29 October 2018 10:40 CET | Version of Record | https://www.mdpi.com/2223-7747/7/4/93/pdf |
| article xml uploaded. | 29 October 2018 10:40 CET | Update | https://www.mdpi.com/2223-7747/7/4/93/xml |
| article xml file uploaded | 29 October 2018 10:40 CET | Original file | - |
