| article html file updated | 8 February 2020 04:29 CET | Update | https://www.mdpi.com/2079-7737/6/2/27 |
| article html file updated | 24 September 2019 12:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:33 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:40 CEST | Update | N/A |
| article html file updated | 27 April 2017 10:59 CEST | Original file | N/A |
| article xml uploaded. | 27 April 2017 10:58 CEST | Original file | https://www.mdpi.com/2079-7737/6/2/27/xml |
| article pdf uploaded. | 27 April 2017 10:58 CEST | Version of Record | https://www.mdpi.com/2079-7737/6/2/27/pdf |
