| article html file updated | 6 February 2020 20:48 CET | Update | https://www.mdpi.com/2073-4425/6/3/662 |
| article html file updated | 6 May 2019 15:29 CEST | Update | - |
| article html file updated | 26 March 2019 06:53 CET | Update | - |
| article html file updated | 28 September 2015 11:54 CEST | Update | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Original file | https://www.mdpi.com/2073-4425/6/3/662/xml |
| article html file updated | 21 August 2015 14:59 CEST | Original file | - |
| article pdf uploaded. | 17 July 2015 16:27 CEST | Version of Record | https://www.mdpi.com/2073-4425/6/3/662/pdf |
