| article html file updated | 6 February 2020 15:53 CET | Update | https://www.mdpi.com/2072-6643/7/2/1174 |
| article html file updated | 7 May 2019 01:07 CEST | Update | - |
| article html file updated | 25 March 2019 21:39 CET | Update | - |
| article html file updated | 21 August 2015 07:26 CEST | Update | - |
| article html file updated | 28 February 2015 03:11 CET | Update | - |
| article xml file uploaded | 28 February 2015 03:11 CET | Update | https://www.mdpi.com/2072-6643/7/2/1174/xml |
| article html file updated | 13 February 2015 08:07 CET | Original file | - |
| article xml file uploaded | 13 February 2015 08:07 CET | Original file | - |
| article pdf uploaded. | 12 February 2015 09:17 CET | Updated version of record | https://www.mdpi.com/2072-6643/7/2/1174/pdf |
| article pdf uploaded. | 11 February 2015 10:56 CET | Version of Record | https://www.mdpi.com/2072-6643/7/2/1174/pdf-vor |