| article html file updated | 7 February 2020 06:56 CET | Update | https://www.mdpi.com/2079-8954/4/2/19 |
| article html file updated | 5 May 2019 19:23 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:13 CET | Update | N/A |
| article html file updated | 4 July 2016 11:07 CEST | Update | N/A |
| article html file updated | 7 April 2016 09:11 CEST | Original file | N/A |
| article xml uploaded. | 7 April 2016 09:10 CEST | Original file | https://www.mdpi.com/2079-8954/4/2/19/xml |
| article pdf uploaded. | 7 April 2016 09:10 CEST | Version of Record | https://www.mdpi.com/2079-8954/4/2/19/pdf |
