| article html file updated | 7 February 2020 11:12 CET | Update | https://www.mdpi.com/2075-4701/6/7/150 |
| article html file updated | 5 May 2019 11:04 CEST | Update | - |
| article html file updated | 27 March 2019 09:20 CET | Update | - |
| article html file updated | 29 July 2016 13:06 CEST | Update | - |
| article html file updated | 4 July 2016 14:40 CEST | Original file | - |
| article xml uploaded. | 4 July 2016 14:38 CEST | Update | https://www.mdpi.com/2075-4701/6/7/150/xml |
| article pdf uploaded. | 4 July 2016 14:38 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/150/pdf |
