| article html file updated | 6 February 2020 19:11 CET | Update | https://www.mdpi.com/2072-6643/7/6/4170 |
| article html file updated | 6 May 2019 18:47 CEST | Update | - |
| article html file updated | 26 March 2019 03:48 CET | Update | - |
| article html file updated | 21 August 2015 12:52 CEST | Update | - |
| article html file updated | 2 July 2015 10:14 CEST | Original file | - |
| article xml file uploaded | 2 July 2015 10:14 CEST | Original file | https://www.mdpi.com/2072-6643/7/6/4170/xml |
| article pdf uploaded. | 29 May 2015 12:47 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/6/4170/pdf |
