| article html file updated | 6 February 2020 07:46 CET | Update | https://www.mdpi.com/2072-4292/6/3/2084 |
| article html file updated | 7 May 2019 17:37 CEST | Update | - |
| article html file updated | 21 March 2019 13:32 CET | Update | - |
| article html file updated | 19 August 2015 22:58 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/2072-4292/6/3/2084/xml |
| article html file updated | 22 April 2014 12:42 CEST | Original file | - |
| article xml file uploaded | 22 April 2014 12:42 CEST | Original file | - |
| article pdf uploaded. | 21 March 2014 15:47 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/3/2084/pdf |
| article pdf uploaded. | 7 March 2014 12:02 CET | Version of Record | https://www.mdpi.com/2072-4292/6/3/2084/pdf-vor |