| article html file updated | 30 August 2025 08:36 CEST | Update | https://www.mdpi.com/2079-6439/6/4/87 |
| article html file updated | 17 July 2022 08:08 CEST | Update | - |
| article html file updated | 10 February 2020 20:14 CET | Update | - |
| article html file updated | 10 October 2019 04:02 CEST | Update | - |
| article html file updated | 28 April 2019 10:54 CEST | Update | - |
| article html file updated | 14 April 2019 06:20 CEST | Update | - |
| article html file updated | 1 April 2019 18:09 CEST | Update | - |
| article html file updated | 26 December 2018 09:37 CET | Update | - |
| article html file updated | 8 November 2018 07:26 CET | Original file | - |
| article pdf uploaded. | 8 November 2018 07:25 CET | Version of Record | https://www.mdpi.com/2079-6439/6/4/87/pdf |
| article xml uploaded. | 8 November 2018 07:25 CET | Update | https://www.mdpi.com/2079-6439/6/4/87/xml |
| article xml file uploaded | 8 November 2018 07:25 CET | Original file | - |
