| article html file updated | 7 February 2020 01:53 CET | Update | https://www.mdpi.com/2073-8994/7/4/2195 |
| article html file updated | 21 September 2019 07:23 CEST | Update | - |
| article html file updated | 6 May 2019 05:42 CEST | Update | - |
| article html file updated | 26 March 2019 15:55 CET | Original file | - |
| article pdf uploaded. | 7 December 2015 16:03 CET | Version of Record | https://www.mdpi.com/2073-8994/7/4/2195/pdf |
| article xml uploaded. | 7 December 2015 16:03 CET | Original file | https://www.mdpi.com/2073-8994/7/4/2195/xml |
