| article html file updated | 6 February 2020 20:00 CET | Update | https://www.mdpi.com/2077-1444/6/3/755 |
| article html file updated | 6 May 2019 17:07 CEST | Update | - |
| article html file updated | 26 March 2019 05:19 CET | Update | - |
| article html file updated | 13 October 2015 11:54 CEST | Update | - |
| article xml file uploaded | 13 October 2015 11:54 CEST | Original file | https://www.mdpi.com/2077-1444/6/3/755/xml |
| article html file updated | 21 August 2015 14:03 CEST | Original file | - |
| article pdf uploaded. | 24 June 2015 16:15 CEST | Version of Record | https://www.mdpi.com/2077-1444/6/3/755/pdf |
