| article html file updated | 8 February 2020 06:18 CET | Update | https://www.mdpi.com/2071-1050/9/5/850 |
| article html file updated | 24 September 2019 22:16 CEST | Update | - |
| article html file updated | 3 May 2019 21:10 CEST | Update | - |
| article html file updated | 31 May 2017 10:47 CEST | Update | - |
| article html file updated | 22 May 2017 05:01 CEST | Update | - |
| article html file updated | 19 May 2017 13:53 CEST | Original file | - |
| article xml uploaded. | 19 May 2017 13:52 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/850/xml |
| article pdf uploaded. | 19 May 2017 13:52 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/850/pdf |
