| article html file updated | 8 February 2020 02:59 CET | Update | https://www.mdpi.com/2075-1729/7/2/17 |
| article html file updated | 24 September 2019 04:29 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:23 CEST | Update | N/A |
| article html file updated | 30 June 2017 05:46 CEST | Update | N/A |
| article html file updated | 6 April 2017 10:54 CEST | Original file | N/A |
| article xml uploaded. | 6 April 2017 10:52 CEST | Original file | https://www.mdpi.com/2075-1729/7/2/17/xml |
| article pdf uploaded. | 6 April 2017 10:52 CEST | Version of Record | https://www.mdpi.com/2075-1729/7/2/17/pdf |
