| article html file updated | 6 February 2020 17:55 CET | Update | https://www.mdpi.com/2072-6643/7/4/3022 |
| article html file updated | 6 May 2019 21:27 CEST | Update | N/A |
| article html file updated | 26 March 2019 01:07 CET | Update | N/A |
| article html file updated | 21 August 2015 10:58 CEST | Update | N/A |
| article html file updated | 28 April 2015 08:10 CEST | Original file | N/A |
| article xml file uploaded | 28 April 2015 08:10 CEST | Original file | https://www.mdpi.com/2072-6643/7/4/3022/xml |
| article pdf uploaded. | 22 April 2015 13:45 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/4/3022/pdf |
