| article html file updated | 29 August 2025 22:54 CEST | Update | https://www.mdpi.com/2072-6694/8/4/41 |
| article html file updated | 16 July 2022 02:04 CEST | Update | - |
| article html file updated | 7 February 2020 06:32 CET | Update | - |
| article html file updated | 5 May 2019 20:09 CEST | Update | - |
| article html file updated | 27 March 2019 00:33 CET | Update | - |
| article html file updated | 27 April 2016 09:24 CEST | Update | - |
| article html file updated | 29 March 2016 12:45 CEST | Original file | - |
| article xml uploaded. | 29 March 2016 12:44 CEST | Original file | https://www.mdpi.com/2072-6694/8/4/41/xml |
| article pdf uploaded. | 29 March 2016 12:44 CEST | Version of Record | https://www.mdpi.com/2072-6694/8/4/41/pdf |
