| article html file updated | 6 February 2020 06:49 CET | Update | https://www.mdpi.com/2072-6694/6/1/166 |
| article html file updated | 7 May 2019 19:36 CEST | Update | - |
| article html file updated | 21 March 2019 11:16 CET | Update | - |
| article html file updated | 19 August 2015 18:07 CEST | Update | - |
| article html file updated | 28 April 2014 10:40 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:40 CEST | Original file | https://www.mdpi.com/2072-6694/6/1/166/xml |
| article pdf uploaded. | 22 January 2014 17:29 CET | Updated version of record | https://www.mdpi.com/2072-6694/6/1/166/pdf |
| article pdf uploaded. | 21 January 2014 16:10 CET | Updated version of record | https://www.mdpi.com/2072-6694/6/1/166/pdf-vor |
| article pdf uploaded. | 21 January 2014 09:26 CET | Version of Record | https://www.mdpi.com/2072-6694/6/1/166/pdf-vor |
