| article html file updated | 29 August 2025 22:19 CEST | Update | https://www.mdpi.com/2079-6439/3/4/478 |
| article html file updated | 16 July 2022 01:12 CEST | Update | N/A |
| article html file updated | 7 February 2020 00:40 CET | Update | N/A |
| article html file updated | 6 May 2019 07:34 CEST | Update | N/A |
| article html file updated | 26 March 2019 14:14 CET | Original file | N/A |
| article pdf uploaded. | 10 November 2015 08:41 CET | Updated version of record | https://www.mdpi.com/2079-6439/3/4/478/pdf |
| article pdf uploaded. | 6 November 2015 11:43 CET | Version of Record | https://www.mdpi.com/2079-6439/3/4/478/pdf-vor |
