| article html file updated | 7 February 2020 11:23 CET | Update | https://www.mdpi.com/2075-4701/6/7/154 |
| article html file updated | 5 May 2019 10:43 CEST | Update | - |
| article html file updated | 27 March 2019 09:42 CET | Update | - |
| article html file updated | 29 July 2016 13:08 CEST | Update | - |
| article html file updated | 8 July 2016 10:48 CEST | Original file | - |
| article xml uploaded. | 8 July 2016 10:46 CEST | Original file | https://www.mdpi.com/2075-4701/6/7/154/xml |
| article pdf uploaded. | 8 July 2016 10:46 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/154/pdf |
