| article html file updated | 6 February 2020 17:07 CET | Update | https://www.mdpi.com/2072-6643/7/4/2193 |
| article html file updated | 6 May 2019 22:53 CEST | Update | - |
| article html file updated | 25 March 2019 23:47 CET | Update | - |
| article html file updated | 21 August 2015 09:37 CEST | Update | - |
| article html file updated | 28 April 2015 08:09 CEST | Original file | - |
| article xml file uploaded | 28 April 2015 08:09 CEST | Original file | https://www.mdpi.com/2072-6643/7/4/2193/xml |
| article pdf uploaded. | 30 March 2015 13:54 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/4/2193/pdf |
