| article html file updated | 7 February 2020 12:54 CET | Update | https://www.mdpi.com/2079-4991/6/8/144 |
| article html file updated | 5 May 2019 07:52 CEST | Update | N/A |
| article html file updated | 27 March 2019 12:48 CET | Update | N/A |
| article html file updated | 26 August 2016 10:53 CEST | Update | N/A |
| article html file updated | 5 August 2016 12:58 CEST | Original file | N/A |
| article xml uploaded. | 5 August 2016 12:56 CEST | Original file | https://www.mdpi.com/2079-4991/6/8/144/xml |
| article pdf uploaded. | 5 August 2016 12:56 CEST | Version of Record | https://www.mdpi.com/2079-4991/6/8/144/pdf |
