| article html file updated | 8 February 2020 04:24 CET | Update | https://www.mdpi.com/2079-7737/6/2/26 |
| article html file updated | 24 September 2019 12:25 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:42 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:40 CEST | Update | N/A |
| article html file updated | 26 April 2017 14:57 CEST | Original file | N/A |
| article xml uploaded. | 26 April 2017 14:55 CEST | Update | https://www.mdpi.com/2079-7737/6/2/26/xml |
| article pdf uploaded. | 26 April 2017 14:55 CEST | Version of Record | https://www.mdpi.com/2079-7737/6/2/26/pdf |
