| article html file updated | 8 February 2020 03:08 CET | Update | https://www.mdpi.com/2071-1050/9/4/566 |
| article html file updated | 24 September 2019 05:20 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:05 CEST | Update | N/A |
| article html file updated | 28 April 2017 10:57 CEST | Update | N/A |
| article html file updated | 11 April 2017 12:19 CEST | Original file | N/A |
| article xml uploaded. | 11 April 2017 12:18 CEST | Original file | https://www.mdpi.com/2071-1050/9/4/566/xml |
| article pdf uploaded. | 11 April 2017 12:18 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/4/566/pdf |
| article pdf uploaded. | 7 April 2017 14:33 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/4/566/pdf-vor |
