| article html file updated | 7 February 2020 02:45 CET | Update | https://www.mdpi.com/2072-6643/8/1/16 |
| article html file updated | 6 May 2019 03:51 CEST | Update | - |
| article html file updated | 26 March 2019 17:19 CET | Original file | - |
| article pdf uploaded. | 28 December 2015 13:09 CET | Version of Record | https://www.mdpi.com/2072-6643/8/1/16/pdf |
| article xml uploaded. | 28 December 2015 13:09 CET | Original file | https://www.mdpi.com/2072-6643/8/1/16/xml |
