| article html file updated | 6 February 2020 07:08 CET | Update | https://www.mdpi.com/2072-6651/6/2/575 |
| article html file updated | 7 May 2019 18:54 CEST | Update | - |
| article html file updated | 21 March 2019 12:02 CET | Update | - |
| article html file updated | 19 August 2015 19:41 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2072-6651/6/2/575/xml |
| article html file updated | 18 March 2014 09:58 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:58 CET | Original file | - |
| article pdf uploaded. | 10 February 2014 15:43 CET | Updated version of record | https://www.mdpi.com/2072-6651/6/2/575/pdf |
| article pdf uploaded. | 7 February 2014 10:17 CET | Version of Record | https://www.mdpi.com/2072-6651/6/2/575/pdf-vor |
