| article html file updated | 29 August 2025 23:35 CEST | Update | https://www.mdpi.com/2072-6643/8/9/547 |
| article html file updated | 16 July 2022 03:17 CEST | Update | - |
| article html file updated | 7 February 2020 14:31 CET | Update | - |
| article html file updated | 22 September 2019 00:25 CEST | Update | - |
| article html file updated | 5 May 2019 04:57 CEST | Update | - |
| article html file updated | 27 September 2016 11:35 CEST | Update | - |
| article html file updated | 6 September 2016 11:14 CEST | Original file | - |
| article xml uploaded. | 6 September 2016 11:13 CEST | Original file | https://www.mdpi.com/2072-6643/8/9/547/xml |
| article pdf uploaded. | 6 September 2016 11:13 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/9/547/pdf |
