| article html file updated | 30 August 2025 00:48 CEST | Update | https://www.mdpi.com/2073-4441/9/8/557 |
| article html file updated | 16 July 2022 05:33 CEST | Update | - |
| article html file updated | 8 February 2020 11:56 CET | Update | - |
| article html file updated | 26 September 2019 03:44 CEST | Update | - |
| article html file updated | 3 May 2019 10:28 CEST | Update | - |
| article html file updated | 27 March 2019 17:33 CET | Update | - |
| article html file updated | 1 September 2017 08:11 CEST | Update | - |
| article html file updated | 27 July 2017 12:27 CEST | Original file | - |
| article xml uploaded. | 27 July 2017 12:25 CEST | Update | https://www.mdpi.com/2073-4441/9/8/557/xml |
| article pdf uploaded. | 27 July 2017 12:25 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/8/557/pdf |
| article pdf uploaded. | 25 July 2017 13:37 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/8/557/pdf-vor |