| article html file updated | 6 February 2020 08:55 CET | Update | https://www.mdpi.com/2072-666X/5/2/228 |
| article html file updated | 7 May 2019 15:13 CEST | Update | N/A |
| article html file updated | 21 March 2019 16:17 CET | Update | N/A |
| article html file updated | 20 August 2015 05:01 CEST | Update | N/A |
| article html file updated | 24 June 2014 12:21 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:21 CEST | Original file | https://www.mdpi.com/2072-666X/5/2/228/xml |
| article pdf uploaded. | 5 May 2014 17:38 CEST | Updated version of record | https://www.mdpi.com/2072-666X/5/2/228/pdf |
| article pdf uploaded. | 29 April 2014 13:54 CEST | Version of Record | https://www.mdpi.com/2072-666X/5/2/228/pdf-vor |
