| article html file updated | 9 February 2020 06:18 CET | Update | https://www.mdpi.com/2075-1702/6/1/5 |
| article html file updated | 30 September 2019 17:25 CEST | Update | - |
| article html file updated | 1 May 2019 19:09 CEST | Update | - |
| article html file updated | 17 April 2019 18:22 CEST | Update | - |
| article html file updated | 28 March 2019 22:38 CET | Update | - |
| article html file updated | 27 March 2018 15:41 CEST | Update | - |
| article html file updated | 11 February 2018 11:00 CET | Original file | - |
| article xml uploaded. | 11 February 2018 10:58 CET | Original file | https://www.mdpi.com/2075-1702/6/1/5/xml |
| article pdf uploaded. | 11 February 2018 10:58 CET | Version of Record | https://www.mdpi.com/2075-1702/6/1/5/pdf |
