| article html file updated | 6 February 2020 06:15 CET | Update | https://www.mdpi.com/2072-4292/5/12/6997 |
| article html file updated | 7 May 2019 20:46 CEST | Update | - |
| article html file updated | 21 March 2019 09:34 CET | Update | - |
| article html file updated | 19 August 2015 13:57 CEST | Update | - |
| article html file updated | 14 August 2014 12:07 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:07 CEST | Update | https://www.mdpi.com/2072-4292/5/12/6997/xml |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | - |
| article html file updated | 6 January 2014 11:32 CET | Original file | - |
| article xml file uploaded | 6 January 2014 11:31 CET | Original file | - |
| article pdf uploaded. | 16 December 2013 19:22 CET | Version of Record | https://www.mdpi.com/2072-4292/5/12/6997/pdf |
