| article html file updated | 9 February 2020 01:41 CET | Update | https://www.mdpi.com/2079-6439/6/1/2 |
| article html file updated | 29 September 2019 14:31 CEST | Update | N/A |
| article html file updated | 2 May 2019 05:05 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:08 CEST | Update | N/A |
| article html file updated | 28 March 2019 12:21 CET | Update | N/A |
| article html file updated | 26 March 2018 15:38 CEST | Update | N/A |
| article html file updated | 1 January 2018 06:35 CET | Original file | N/A |
| article xml uploaded. | 1 January 2018 06:34 CET | Original file | https://www.mdpi.com/2079-6439/6/1/2/xml |
| article pdf uploaded. | 1 January 2018 06:34 CET | Version of Record | https://www.mdpi.com/2079-6439/6/1/2/pdf |
