| article html file updated | 9 February 2020 03:53 CET | Update | https://www.mdpi.com/2075-4434/6/1/14 |
| article html file updated | 30 September 2019 02:54 CEST | Update | - |
| article html file updated | 2 May 2019 00:32 CEST | Update | - |
| article html file updated | 17 April 2019 22:57 CEST | Update | - |
| article html file updated | 28 March 2019 17:23 CET | Update | - |
| article html file updated | 27 March 2018 12:39 CEST | Update | - |
| article html file updated | 23 January 2018 13:23 CET | Original file | - |
| article xml uploaded. | 23 January 2018 13:21 CET | Update | https://www.mdpi.com/2075-4434/6/1/14/xml |
| article xml uploaded. | 22 January 2018 17:53 CET | Update | - |
| article xml uploaded. | 22 January 2018 17:53 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 17:53 CET | Version of Record | https://www.mdpi.com/2075-4434/6/1/14/pdf |
