| article html file updated | 6 February 2020 08:47 CET | Update | https://www.mdpi.com/2072-666X/5/2/204 |
| article html file updated | 7 May 2019 15:30 CEST | Update | - |
| article html file updated | 21 March 2019 15:59 CET | Update | - |
| article html file updated | 20 August 2015 04:16 CEST | Update | - |
| article html file updated | 24 June 2014 12:21 CEST | Original file | - |
| article xml file uploaded | 24 June 2014 12:21 CEST | Original file | https://www.mdpi.com/2072-666X/5/2/204/xml |
| article pdf uploaded. | 24 April 2014 09:57 CEST | Updated version of record | https://www.mdpi.com/2072-666X/5/2/204/pdf |
| article pdf uploaded. | 23 April 2014 10:58 CEST | Updated version of record | https://www.mdpi.com/2072-666X/5/2/204/pdf-vor |
| article pdf uploaded. | 22 April 2014 15:48 CEST | Version of Record | https://www.mdpi.com/2072-666X/5/2/204/pdf-vor |