| article html file updated | 30 August 2025 08:14 CEST | Update | https://www.mdpi.com/2079-9721/6/4/97 |
| article html file updated | 20 July 2022 16:29 CEST | Update | - |
| article html file updated | 10 February 2020 18:17 CET | Update | - |
| article html file updated | 9 October 2019 16:20 CEST | Update | - |
| article html file updated | 28 April 2019 15:09 CEST | Update | - |
| article html file updated | 14 April 2019 10:18 CEST | Update | - |
| article html file updated | 1 April 2019 12:52 CEST | Update | - |
| article html file updated | 26 December 2018 21:53 CET | Update | - |
| article pdf uploaded. | 27 October 2018 11:24 CEST | Version of Record | https://www.mdpi.com/2079-9721/6/4/97/pdf |
| article xml uploaded. | 27 October 2018 11:24 CEST | Update | https://www.mdpi.com/2079-9721/6/4/97/xml |
| article xml file uploaded | 27 October 2018 11:24 CEST | Original file | - |
| article html file updated | 27 October 2018 11:23 CEST | Original file | - |