| article html file updated | 8 February 2020 04:25 CET | Update | https://www.mdpi.com/2076-0825/6/2/17 |
| article html file updated | 24 September 2019 12:27 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:41 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:15 CEST | Update | N/A |
| article html file updated | 26 April 2017 12:21 CEST | Original file | N/A |
| article xml uploaded. | 26 April 2017 12:20 CEST | Original file | https://www.mdpi.com/2076-0825/6/2/17/xml |
| article pdf uploaded. | 26 April 2017 12:20 CEST | Version of Record | https://www.mdpi.com/2076-0825/6/2/17/pdf |
