| article html file updated | 6 February 2020 18:18 CET | Update | https://www.mdpi.com/2218-273X/5/2/758 |
| article html file updated | 6 May 2019 20:41 CEST | Update | - |
| article html file updated | 26 March 2019 01:55 CET | Update | - |
| article html file updated | 21 August 2015 11:34 CEST | Update | - |
| article html file updated | 9 July 2015 09:49 CEST | Original file | - |
| article xml file uploaded | 9 July 2015 09:49 CEST | Original file | https://www.mdpi.com/2218-273X/5/2/758/xml |
| article pdf uploaded. | 5 May 2015 09:42 CEST | Version of Record | https://www.mdpi.com/2218-273X/5/2/758/pdf |
