| article html file updated | 29 August 2025 21:01 CEST | Update | https://www.mdpi.com/2073-4360/6/4/1144 |
| article html file updated | 15 July 2022 22:59 CEST | Update | N/A |
| article html file updated | 6 February 2020 08:33 CET | Update | N/A |
| article html file updated | 7 May 2019 15:59 CEST | Update | N/A |
| article html file updated | 21 March 2019 15:24 CET | Update | N/A |
| article html file updated | 20 August 2015 03:03 CEST | Original file | N/A |
| article pdf uploaded. | 14 April 2014 15:13 CEST | Updated version of record | https://www.mdpi.com/2073-4360/6/4/1144/pdf |
| article pdf uploaded. | 11 April 2014 12:02 CEST | Version of Record | https://www.mdpi.com/2073-4360/6/4/1144/pdf-vor |
