| article html file updated | 6 February 2020 20:57 CET | Update | https://www.mdpi.com/2220-9964/4/3/1225 |
| article html file updated | 6 May 2019 15:12 CEST | Update | - |
| article html file updated | 26 March 2019 07:10 CET | Update | - |
| article html file updated | 14 October 2015 05:04 CEST | Original file | - |
| article xml file uploaded | 14 October 2015 05:04 CEST | Original file | https://www.mdpi.com/2220-9964/4/3/1225/xml |
| article pdf uploaded. | 22 July 2015 13:48 CEST | Version of Record | https://www.mdpi.com/2220-9964/4/3/1225/pdf |
