| article html file updated | 7 February 2020 01:34 CET | Update | https://www.mdpi.com/2072-6643/7/12/5502 |
| article html file updated | 21 September 2019 06:55 CEST | Update | - |
| article html file updated | 6 May 2019 06:21 CEST | Update | - |
| article html file updated | 26 March 2019 15:23 CET | Original file | - |
| article pdf uploaded. | 1 December 2015 10:39 CET | Version of Record | https://www.mdpi.com/2072-6643/7/12/5502/pdf |
| article xml uploaded. | 1 December 2015 10:39 CET | Original file | https://www.mdpi.com/2072-6643/7/12/5502/xml |
