| article html file updated | 30 August 2025 03:09 CEST | Update | https://www.mdpi.com/2073-4425/9/4/177 |
| article html file updated | 21 August 2025 19:46 CEST | Update | - |
| article html file updated | 16 July 2022 10:09 CEST | Update | - |
| article html file updated | 9 February 2020 10:53 CET | Update | - |
| article html file updated | 1 October 2019 21:19 CEST | Update | - |
| article html file updated | 1 May 2019 09:29 CEST | Update | - |
| article html file updated | 17 April 2019 09:24 CEST | Update | - |
| article html file updated | 29 March 2019 08:57 CET | Update | - |
| article html file updated | 1 May 2018 12:00 CEST | Update | - |
| article html file updated | 23 March 2018 10:48 CET | Original file | - |
| article xml uploaded. | 23 March 2018 10:47 CET | Update | https://www.mdpi.com/2073-4425/9/4/177/xml |
| article pdf uploaded. | 23 March 2018 10:47 CET | Updated version of record | https://www.mdpi.com/2073-4425/9/4/177/pdf |
| article pdf uploaded. | 22 March 2018 18:15 CET | Version of Record | https://www.mdpi.com/2073-4425/9/4/177/pdf-vor |