| article html file updated | 6 February 2020 13:24 CET | Update | https://www.mdpi.com/2079-9292/3/4/598 |
| article html file updated | 7 May 2019 06:00 CEST | Update | - |
| article html file updated | 25 March 2019 17:08 CET | Update | - |
| article html file updated | 21 August 2015 01:14 CEST | Update | - |
| article html file updated | 16 December 2014 04:50 CET | Original file | - |
| article xml file uploaded | 16 December 2014 04:50 CET | Original file | https://www.mdpi.com/2079-9292/3/4/598/xml |
| article pdf uploaded. | 6 November 2014 08:45 CET | Updated version of record | https://www.mdpi.com/2079-9292/3/4/598/pdf |
| article pdf uploaded. | 5 November 2014 12:06 CET | Version of Record | https://www.mdpi.com/2079-9292/3/4/598/pdf-vor |
