| article html file updated | 30 August 2025 00:47 CEST | Update | https://www.mdpi.com/2073-4441/9/7/521 |
| article html file updated | 16 July 2022 05:30 CEST | Update | - |
| article html file updated | 8 February 2020 11:44 CET | Update | - |
| article html file updated | 26 September 2019 02:42 CEST | Update | - |
| article html file updated | 3 May 2019 10:55 CEST | Update | - |
| article html file updated | 27 March 2019 17:10 CET | Update | - |
| article html file updated | 1 August 2017 09:15 CEST | Update | - |
| article html file updated | 22 July 2017 05:57 CEST | Update | - |
| article html file updated | 22 July 2017 05:56 CEST | Update | - |
| article html file updated | 22 July 2017 05:55 CEST | Original file | - |
| article xml uploaded. | 22 July 2017 05:54 CEST | Update | https://www.mdpi.com/2073-4441/9/7/521/xml |
| article pdf uploaded. | 22 July 2017 05:54 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/521/pdf |
