| article html file updated | 7 February 2020 08:27 CET | Update | https://www.mdpi.com/2079-6439/4/2/15 |
| article html file updated | 5 May 2019 16:17 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:14 CET | Update | N/A |
| article html file updated | 1 July 2016 12:02 CEST | Update | N/A |
| article html file updated | 10 May 2016 14:30 CEST | Original file | N/A |
| article xml uploaded. | 10 May 2016 14:29 CEST | Original file | https://www.mdpi.com/2079-6439/4/2/15/xml |
| article pdf uploaded. | 10 May 2016 14:28 CEST | Version of Record | https://www.mdpi.com/2079-6439/4/2/15/pdf |
