| article html file updated | 8 February 2020 15:01 CET | Update | https://www.mdpi.com/2075-163X/7/9/159 |
| article html file updated | 26 September 2019 21:12 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:07 CEST | Update | N/A |
| article html file updated | 30 September 2017 09:44 CEST | Update | N/A |
| article html file updated | 1 September 2017 08:42 CEST | Original file | N/A |
| article xml uploaded. | 1 September 2017 08:38 CEST | Original file | https://www.mdpi.com/2075-163X/7/9/159/xml |
| article pdf uploaded. | 1 September 2017 08:38 CEST | Version of Record | https://www.mdpi.com/2075-163X/7/9/159/pdf |
