| article html file updated | 6 February 2020 20:44 CET | Update | https://www.mdpi.com/2077-0472/5/3/456 |
| article html file updated | 6 May 2019 15:37 CEST | Update | - |
| article html file updated | 26 March 2019 06:46 CET | Update | - |
| article html file updated | 14 October 2015 10:34 CEST | Update | - |
| article xml file uploaded | 14 October 2015 10:34 CEST | Original file | https://www.mdpi.com/2077-0472/5/3/456/xml |
| article html file updated | 21 August 2015 14:56 CEST | Original file | - |
| article pdf uploaded. | 16 July 2015 14:34 CEST | Version of Record | https://www.mdpi.com/2077-0472/5/3/456/pdf |
