| article html file updated | 8 February 2020 16:13 CET | Update | https://www.mdpi.com/2075-163X/7/9/169 |
| article html file updated | 3 May 2019 01:56 CEST | Update | N/A |
| article html file updated | 30 September 2017 09:40 CEST | Update | N/A |
| article html file updated | 14 September 2017 13:50 CEST | Original file | N/A |
| article xml uploaded. | 14 September 2017 13:49 CEST | Update | https://www.mdpi.com/2075-163X/7/9/169/xml |
| article xml uploaded. | 14 September 2017 13:49 CEST | Original file | N/A |
| article pdf uploaded. | 14 September 2017 13:49 CEST | Version of Record | https://www.mdpi.com/2075-163X/7/9/169/pdf |
