| article html file updated | 30 August 2025 07:22 CEST | Update | https://www.mdpi.com/2223-7747/7/4/81 |
| article html file updated | 17 July 2022 03:47 CEST | Update | - |
| article html file updated | 10 February 2020 13:24 CET | Update | - |
| article html file updated | 8 October 2019 11:24 CEST | Update | - |
| article html file updated | 29 April 2019 00:57 CEST | Update | - |
| article html file updated | 14 April 2019 20:16 CEST | Update | - |
| article html file updated | 1 April 2019 00:08 CEST | Update | - |
| article html file updated | 26 December 2018 23:26 CET | Update | - |
| article html file updated | 29 September 2018 08:15 CEST | Original file | - |
| article pdf uploaded. | 29 September 2018 07:47 CEST | Version of Record | https://www.mdpi.com/2223-7747/7/4/81/pdf |
| article xml uploaded. | 29 September 2018 07:47 CEST | Update | https://www.mdpi.com/2223-7747/7/4/81/xml |
| article xml file uploaded | 29 September 2018 07:47 CEST | Original file | - |
