| article html file updated | 7 February 2020 07:02 CET | Update | https://www.mdpi.com/2079-4991/6/4/65 |
| article html file updated | 5 May 2019 19:06 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:27 CET | Update | N/A |
| article html file updated | 24 February 2017 10:26 CET | Update | N/A |
| article html file updated | 29 April 2016 06:12 CEST | Update | N/A |
| article html file updated | 9 April 2016 10:09 CEST | Original file | N/A |
| article xml uploaded. | 9 April 2016 10:08 CEST | Update | https://www.mdpi.com/2079-4991/6/4/65/xml |
| article pdf uploaded. | 9 April 2016 10:08 CEST | Version of Record | https://www.mdpi.com/2079-4991/6/4/65/pdf |
