| article html file updated | 8 February 2020 06:07 CET | Update | https://www.mdpi.com/2071-1050/9/5/842 |
| article html file updated | 3 May 2019 21:33 CEST | Update | N/A |
| article html file updated | 31 May 2017 10:47 CEST | Update | N/A |
| article html file updated | 22 May 2017 04:30 CEST | Update | N/A |
| article html file updated | 18 May 2017 10:07 CEST | Original file | N/A |
| article xml uploaded. | 18 May 2017 10:05 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/842/xml |
| article pdf uploaded. | 18 May 2017 10:05 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/842/pdf |
