| article html file updated | 7 February 2020 07:16 CET | Update | https://www.mdpi.com/2079-6374/6/2/14 |
| article html file updated | 5 May 2019 18:37 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:54 CET | Update | N/A |
| article html file updated | 4 July 2016 08:09 CEST | Update | N/A |
| article html file updated | 14 April 2016 13:52 CEST | Original file | N/A |
| article xml uploaded. | 14 April 2016 13:50 CEST | Update | https://www.mdpi.com/2079-6374/6/2/14/xml |
| article pdf uploaded. | 14 April 2016 13:50 CEST | Version of Record | https://www.mdpi.com/2079-6374/6/2/14/pdf |
