| article html file updated | 7 February 2020 01:39 CET | Update | https://www.mdpi.com/2072-6643/7/12/5519 |
| article html file updated | 6 May 2019 06:11 CEST | Update | - |
| article html file updated | 26 March 2019 15:31 CET | Original file | - |
| article pdf uploaded. | 2 December 2015 10:49 CET | Version of Record | https://www.mdpi.com/2072-6643/7/12/5519/pdf |
| article xml uploaded. | 2 December 2015 10:49 CET | Original file | https://www.mdpi.com/2072-6643/7/12/5519/xml |
