| article html file updated | 6 February 2020 17:26 CET | Update | https://www.mdpi.com/2072-6651/7/4/1206 |
| article html file updated | 6 May 2019 22:23 CEST | Update | - |
| article html file updated | 26 March 2019 00:17 CET | Update | - |
| article html file updated | 21 August 2015 10:08 CEST | Update | - |
| article html file updated | 5 May 2015 07:56 CEST | Original file | - |
| article xml file uploaded | 5 May 2015 07:56 CEST | Original file | https://www.mdpi.com/2072-6651/7/4/1206/xml |
| article supplementary file uploaded. | 9 April 2015 09:47 CEST | - | https://www.mdpi.com/2072-6651/7/4/1206#supplementary |
| article pdf uploaded. | 9 April 2015 09:47 CEST | Version of Record | https://www.mdpi.com/2072-6651/7/4/1206/pdf |