| article html file updated | 7 February 2020 11:35 CET | Update | https://www.mdpi.com/2075-4701/6/7/160 |
| article html file updated | 5 May 2019 10:21 CEST | Update | - |
| article html file updated | 27 March 2019 10:04 CET | Update | - |
| article html file updated | 29 July 2016 13:12 CEST | Update | - |
| article html file updated | 13 July 2016 07:40 CEST | Original file | - |
| article xml uploaded. | 13 July 2016 07:39 CEST | Original file | https://www.mdpi.com/2075-4701/6/7/160/xml |
| article pdf uploaded. | 13 July 2016 07:39 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/160/pdf |
