| article html file updated | 8 February 2020 01:23 CET | Update | https://www.mdpi.com/2071-1050/9/3/423 |
| article html file updated | 23 September 2019 19:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:55 CEST | Update | N/A |
| article html file updated | 28 March 2017 06:12 CEST | Update | N/A |
| article html file updated | 13 March 2017 12:49 CET | Original file | N/A |
| article xml uploaded. | 13 March 2017 12:48 CET | Update | https://www.mdpi.com/2071-1050/9/3/423/xml |
| article pdf uploaded. | 13 March 2017 12:48 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/423/pdf |
