| article html file updated | 9 February 2020 11:43 CET | Update | https://www.mdpi.com/2227-9709/5/2/16 |
| article html file updated | 2 October 2019 02:00 CEST | Update | - |
| article html file updated | 1 May 2019 07:44 CEST | Update | - |
| article html file updated | 17 April 2019 07:43 CEST | Update | - |
| article html file updated | 29 March 2019 10:51 CET | Update | - |
| article html file updated | 27 June 2018 09:46 CEST | Update | - |
| article html file updated | 29 March 2018 10:07 CEST | Original file | - |
| article xml uploaded. | 29 March 2018 09:43 CEST | Update | https://www.mdpi.com/2227-9709/5/2/16/xml |
| article pdf uploaded. | 29 March 2018 09:43 CEST | Version of Record | https://www.mdpi.com/2227-9709/5/2/16/pdf |
