| article html file updated | 7 February 2020 23:49 CET | Update | https://www.mdpi.com/2075-163X/7/2/29 |
| article html file updated | 23 September 2019 10:20 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:24 CEST | Update | N/A |
| article html file updated | 1 March 2017 10:24 CET | Update | N/A |
| article html file updated | 20 February 2017 13:45 CET | Original file | N/A |
| article xml uploaded. | 20 February 2017 13:43 CET | Original file | https://www.mdpi.com/2075-163X/7/2/29/xml |
| article pdf uploaded. | 20 February 2017 13:43 CET | Version of Record | https://www.mdpi.com/2075-163X/7/2/29/pdf |
