| article html file updated | 8 February 2020 05:43 CET | Update | https://www.mdpi.com/2071-1050/9/5/812 |
| article html file updated | 24 September 2019 19:14 CEST | Update | - |
| article html file updated | 3 May 2019 22:18 CEST | Update | - |
| article html file updated | 31 May 2017 10:42 CEST | Update | - |
| article html file updated | 23 May 2017 04:08 CEST | Update | - |
| article html file updated | 15 May 2017 11:18 CEST | Original file | - |
| article xml uploaded. | 15 May 2017 11:16 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/812/xml |
| article pdf uploaded. | 15 May 2017 11:16 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/5/812/pdf |
| article pdf uploaded. | 12 May 2017 12:34 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/812/pdf-vor |
