| article html file updated | 29 August 2025 23:57 CEST | Update | https://www.mdpi.com/2073-4441/8/12/551 |
| article html file updated | 20 August 2025 22:25 CEST | Update | - |
| article html file updated | 7 February 2020 18:33 CET | Update | - |
| article html file updated | 4 May 2019 21:29 CEST | Update | - |
| article html file updated | 27 December 2016 11:34 CET | Update | - |
| article html file updated | 24 November 2016 14:29 CET | Original file | - |
| article xml uploaded. | 24 November 2016 14:28 CET | Original file | https://www.mdpi.com/2073-4441/8/12/551/xml |
| article pdf uploaded. | 24 November 2016 14:28 CET | Version of Record | https://www.mdpi.com/2073-4441/8/12/551/pdf |
