| article html file updated | 30 August 2025 05:27 CEST | Update | https://www.mdpi.com/2226-4787/6/3/71 |
| article html file updated | 16 July 2022 23:37 CEST | Update | - |
| article html file updated | 10 February 2020 02:29 CET | Update | - |
| article html file updated | 30 April 2019 00:11 CEST | Update | - |
| article html file updated | 15 April 2019 19:26 CEST | Update | - |
| article html file updated | 30 March 2019 23:03 CET | Update | - |
| article html file updated | 22 September 2018 10:59 CEST | Update | - |
| article html file updated | 2 August 2018 14:29 CEST | Update | - |
| article html file updated | 23 July 2018 05:40 CEST | Original file | - |
| article pdf uploaded. | 23 July 2018 05:39 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/3/71/pdf |
| article xml uploaded. | 23 July 2018 05:39 CEST | Update | https://www.mdpi.com/2226-4787/6/3/71/xml |
| article xml file uploaded | 23 July 2018 05:39 CEST | Original file | - |
