| article html file updated | 6 February 2020 23:39 CET | Update | https://www.mdpi.com/2076-3417/5/4/770 |
| article html file updated | 6 May 2019 09:35 CEST | Update | - |
| article html file updated | 26 March 2019 12:20 CET | Update | - |
| article html file updated | 13 October 2015 05:14 CEST | Original file | - |
| article xml file uploaded | 13 October 2015 05:14 CEST | Original file | https://www.mdpi.com/2076-3417/5/4/770/xml |
| article pdf uploaded. | 12 October 2015 15:20 CEST | Version of Record | https://www.mdpi.com/2076-3417/5/4/770/pdf |
