| article html file updated | 9 February 2020 04:09 CET | Update | https://www.mdpi.com/2075-4434/6/1/16 |
| article html file updated | 30 September 2019 04:17 CEST | Update | - |
| article html file updated | 1 May 2019 23:58 CEST | Update | - |
| article html file updated | 17 April 2019 22:29 CEST | Update | - |
| article html file updated | 28 March 2019 17:56 CET | Update | - |
| article html file updated | 27 March 2018 12:39 CEST | Update | - |
| article html file updated | 24 January 2018 08:53 CET | Original file | - |
| article xml uploaded. | 24 January 2018 08:52 CET | Original file | https://www.mdpi.com/2075-4434/6/1/16/xml |
| article pdf uploaded. | 24 January 2018 08:52 CET | Version of Record | https://www.mdpi.com/2075-4434/6/1/16/pdf |
