| article html file updated | 29 August 2025 23:45 CEST | Update | https://www.mdpi.com/2079-6412/6/4/47 |
| article html file updated | 16 July 2022 03:35 CEST | Update | - |
| article html file updated | 7 February 2020 16:28 CET | Update | - |
| article html file updated | 22 September 2019 03:05 CEST | Update | - |
| article html file updated | 5 May 2019 01:26 CEST | Update | - |
| article html file updated | 28 December 2016 08:29 CET | Update | - |
| article html file updated | 18 October 2016 09:17 CEST | Update | - |
| article xml uploaded. | 18 October 2016 09:16 CEST | Update | https://www.mdpi.com/2079-6412/6/4/47/xml |
| article pdf uploaded. | 18 October 2016 09:16 CEST | Updated version of record | https://www.mdpi.com/2079-6412/6/4/47/pdf |
| article html file updated | 17 October 2016 11:34 CEST | Original file | - |
| article xml uploaded. | 17 October 2016 11:33 CEST | Original file | - |
| article pdf uploaded. | 17 October 2016 11:33 CEST | Version of Record | https://www.mdpi.com/2079-6412/6/4/47/pdf-vor |