| article html file updated | 30 August 2025 01:36 CEST | Update | https://www.mdpi.com/2073-4395/7/4/71 |
| article html file updated | 16 July 2022 07:11 CEST | Update | - |
| article html file updated | 8 February 2020 20:15 CET | Update | - |
| article html file updated | 28 September 2019 05:08 CEST | Update | - |
| article html file updated | 2 May 2019 17:10 CEST | Update | - |
| article html file updated | 2 January 2018 13:09 CET | Update | - |
| article html file updated | 3 November 2017 13:39 CET | Original file | - |
| article xml uploaded. | 3 November 2017 13:38 CET | Original file | https://www.mdpi.com/2073-4395/7/4/71/xml |
| article pdf uploaded. | 3 November 2017 13:38 CET | Version of Record | https://www.mdpi.com/2073-4395/7/4/71/pdf |
