| article html file updated | 29 August 2025 23:32 CEST | Update | https://www.mdpi.com/2072-6643/8/9/523 |
| article html file updated | 16 July 2022 03:11 CEST | Update | - |
| article html file updated | 7 February 2020 13:55 CET | Update | - |
| article html file updated | 21 September 2019 23:42 CEST | Update | - |
| article html file updated | 5 May 2019 06:02 CEST | Update | - |
| article html file updated | 27 March 2019 14:51 CET | Update | - |
| article html file updated | 27 September 2016 11:29 CEST | Update | - |
| article html file updated | 26 August 2016 08:12 CEST | Original file | - |
| article xml uploaded. | 26 August 2016 08:11 CEST | Original file | https://www.mdpi.com/2072-6643/8/9/523/xml |
| article pdf uploaded. | 26 August 2016 08:11 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/9/523/pdf |