| article html file updated | 6 February 2020 12:20 CET | Update | https://www.mdpi.com/2072-6643/6/9/3777 |
| article html file updated | 7 May 2019 08:07 CEST | Update | - |
| article html file updated | 22 March 2019 01:08 CET | Update | - |
| article html file updated | 20 August 2015 20:01 CEST | Update | - |
| article html file updated | 30 September 2014 06:01 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 06:01 CEST | Original file | https://www.mdpi.com/2072-6643/6/9/3777/xml |
| article pdf uploaded. | 25 September 2014 14:55 CEST | Updated version of record | https://www.mdpi.com/2072-6643/6/9/3777/pdf |
| article pdf uploaded. | 19 September 2014 11:23 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/9/3777/pdf-vor |
