| article html file updated | 7 February 2020 02:14 CET | Update | https://www.mdpi.com/2072-6643/7/12/5546 |
| article html file updated | 21 September 2019 07:55 CEST | Update | - |
| article html file updated | 6 May 2019 04:58 CEST | Update | - |
| article html file updated | 26 March 2019 16:28 CET | Original file | - |
| article pdf uploaded. | 15 December 2015 14:51 CET | Version of Record | https://www.mdpi.com/2072-6643/7/12/5546/pdf |
| article xml uploaded. | 15 December 2015 14:51 CET | Original file | https://www.mdpi.com/2072-6643/7/12/5546/xml |
