| article html file updated | 6 February 2020 20:50 CET | Update | https://www.mdpi.com/2077-0472/5/3/475 |
| article html file updated | 6 May 2019 15:24 CEST | Update | - |
| article html file updated | 26 March 2019 06:58 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/2077-0472/5/3/475/xml |
| article html file updated | 21 August 2015 15:04 CEST | Original file | - |
| article pdf uploaded. | 20 July 2015 12:59 CEST | Version of Record | https://www.mdpi.com/2077-0472/5/3/475/pdf |
