| article html file updated | 7 February 2020 11:02 CET | Update | https://www.mdpi.com/2075-4701/6/7/149 |
| article html file updated | 5 May 2019 11:21 CEST | Update | - |
| article html file updated | 27 March 2019 09:02 CET | Update | - |
| article html file updated | 29 July 2016 13:05 CEST | Update | - |
| article html file updated | 30 June 2016 09:24 CEST | Original file | - |
| article xml uploaded. | 30 June 2016 09:22 CEST | Original file | https://www.mdpi.com/2075-4701/6/7/149/xml |
| article pdf uploaded. | 30 June 2016 09:22 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/149/pdf |
