| article html file updated | 8 February 2020 04:40 CET | Update | https://www.mdpi.com/2071-1050/9/5/708 |
| article html file updated | 24 September 2019 13:43 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:14 CEST | Update | N/A |
| article html file updated | 31 May 2017 10:27 CEST | Update | N/A |
| article html file updated | 28 April 2017 15:43 CEST | Original file | N/A |
| article xml uploaded. | 28 April 2017 15:41 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/708/xml |
| article pdf uploaded. | 28 April 2017 15:41 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/708/pdf |
