| article html file updated | 7 February 2020 10:59 CET | Update | https://www.mdpi.com/2075-4701/6/7/146 |
| article html file updated | 5 May 2019 11:26 CEST | Update | - |
| article html file updated | 27 March 2019 08:57 CET | Update | - |
| article html file updated | 29 July 2016 13:03 CEST | Update | - |
| article html file updated | 29 June 2016 13:47 CEST | Original file | - |
| article xml uploaded. | 29 June 2016 13:46 CEST | Original file | https://www.mdpi.com/2075-4701/6/7/146/xml |
| article pdf uploaded. | 29 June 2016 13:46 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/146/pdf |
