| article html file updated | 7 February 2020 19:43 CET | Update | https://www.mdpi.com/2073-4352/6/12/164 |
| article html file updated | 22 September 2019 12:08 CEST | Update | - |
| article html file updated | 4 May 2019 18:57 CEST | Update | - |
| article html file updated | 27 December 2016 11:23 CET | Update | - |
| article html file updated | 16 December 2016 10:06 CET | Original file | - |
| article xml uploaded. | 16 December 2016 10:05 CET | Original file | https://www.mdpi.com/2073-4352/6/12/164/xml |
| article pdf uploaded. | 16 December 2016 10:05 CET | Version of Record | https://www.mdpi.com/2073-4352/6/12/164/pdf |
