| article html file updated | 29 August 2025 23:11 CEST | Update | https://www.mdpi.com/2072-6643/8/6/338 |
| article html file updated | 20 August 2025 22:21 CEST | Update | - |
| article html file updated | 16 July 2022 02:33 CEST | Update | - |
| article html file updated | 7 February 2020 09:39 CET | Update | - |
| article html file updated | 21 September 2019 18:21 CEST | Update | - |
| article html file updated | 5 May 2019 13:54 CEST | Update | - |
| article html file updated | 27 March 2019 06:29 CET | Update | - |
| article html file updated | 29 June 2016 03:07 CEST | Update | - |
| article html file updated | 2 June 2016 14:57 CEST | Original file | - |
| article xml uploaded. | 2 June 2016 14:55 CEST | Original file | https://www.mdpi.com/2072-6643/8/6/338/xml |
| article pdf uploaded. | 2 June 2016 14:55 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/6/338/pdf |