| article html file updated | 29 August 2025 20:51 CEST | Update | https://www.mdpi.com/2076-3921/2/4/340 |
| article html file updated | 15 July 2022 22:42 CEST | Update | N/A |
| article html file updated | 6 February 2020 05:45 CET | Update | N/A |
| article html file updated | 7 May 2019 21:41 CEST | Update | N/A |
| article html file updated | 21 March 2019 08:14 CET | Update | N/A |
| article html file updated | 19 August 2015 10:54 CEST | Original file | N/A |
| article supplementary file uploaded. | 1 April 2014 16:35 CEST | - | https://www.mdpi.com/2076-3921/2/4/340#supplementary |
| Correction published | 20 March 2014 00:00 CET | Correction | http://www.mdpi.com/2076-3921/3/1/189 |
| article pdf uploaded. | 26 November 2013 17:38 CET | Updated version of record | https://www.mdpi.com/2076-3921/2/4/340/pdf |
| article pdf uploaded. | 26 November 2013 10:01 CET | Version of Record | https://www.mdpi.com/2076-3921/2/4/340/pdf-vor |