| article html file updated | 6 February 2020 04:42 CET | Update | https://www.mdpi.com/2076-328X/3/4/536 |
| article html file updated | 20 September 2019 01:37 CEST | Update | - |
| article html file updated | 7 May 2019 23:46 CEST | Update | - |
| article html file updated | 21 March 2019 05:23 CET | Update | - |
| article html file updated | 17 June 2015 13:36 CEST | Update | - |
| article html file updated | 26 August 2014 03:57 CEST | Original file | - |
| article xml file uploaded | 26 August 2014 03:57 CEST | Original file | https://www.mdpi.com/2076-328X/3/4/536/xml |
| article pdf uploaded. | 9 October 2013 14:24 CEST | Updated version of record | https://www.mdpi.com/2076-328X/3/4/536/pdf |
| article pdf uploaded. | 1 October 2013 10:00 CEST | Version of Record | https://www.mdpi.com/2076-328X/3/4/536/pdf-vor |
