| article html file updated | 7 February 2020 19:26 CET | Update | https://www.mdpi.com/2073-8994/8/12/151 |
| article html file updated | 22 September 2019 10:30 CEST | Update | - |
| article html file updated | 4 May 2019 19:37 CEST | Update | - |
| article html file updated | 27 December 2016 11:35 CET | Update | - |
| article html file updated | 10 December 2016 11:06 CET | Original file | - |
| article xml uploaded. | 10 December 2016 11:05 CET | Original file | https://www.mdpi.com/2073-8994/8/12/151/xml |
| article pdf uploaded. | 10 December 2016 11:05 CET | Version of Record | https://www.mdpi.com/2073-8994/8/12/151/pdf |
