| article html file updated | 8 February 2020 04:29 CET | Update | https://www.mdpi.com/2227-9040/5/2/14 |
| article html file updated | 24 September 2019 12:48 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:33 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:51 CEST | Update | N/A |
| article html file updated | 27 April 2017 12:03 CEST | Original file | N/A |
| article xml uploaded. | 27 April 2017 12:02 CEST | Original file | https://www.mdpi.com/2227-9040/5/2/14/xml |
| article pdf uploaded. | 27 April 2017 12:02 CEST | Version of Record | https://www.mdpi.com/2227-9040/5/2/14/pdf |
