| article html file updated | 7 February 2020 22:20 CET | Update | https://www.mdpi.com/2075-163X/7/2/16 |
| article html file updated | 23 September 2019 02:09 CEST | Update | - |
| article html file updated | 4 May 2019 13:22 CEST | Update | - |
| article html file updated | 1 March 2017 10:20 CET | Update | - |
| article html file updated | 6 February 2017 12:25 CET | Original file | - |
| article xml uploaded. | 6 February 2017 12:24 CET | Original file | https://www.mdpi.com/2075-163X/7/2/16/xml |
| article pdf uploaded. | 6 February 2017 12:24 CET | Updated version of record | https://www.mdpi.com/2075-163X/7/2/16/pdf |
| article pdf uploaded. | 27 January 2017 10:53 CET | Version of Record | https://www.mdpi.com/2075-163X/7/2/16/pdf-vor |
