| article html file updated | 7 February 2020 02:22 CET | Update | https://www.mdpi.com/2072-4292/7/12/15873 |
| article html file updated | 6 May 2019 04:42 CEST | Update | - |
| article html file updated | 26 March 2019 16:42 CET | Original file | - |
| article pdf uploaded. | 17 December 2015 14:45 CET | Version of Record | https://www.mdpi.com/2072-4292/7/12/15873/pdf |
| article xml uploaded. | 17 December 2015 14:45 CET | Original file | https://www.mdpi.com/2072-4292/7/12/15873/xml |
