| article html file updated | 9 February 2020 03:52 CET | Update | https://www.mdpi.com/2077-0472/8/1/16 |
| article html file updated | 30 September 2019 02:51 CEST | Update | - |
| article html file updated | 2 May 2019 00:33 CEST | Update | - |
| article html file updated | 17 April 2019 22:58 CEST | Update | - |
| article html file updated | 28 March 2019 17:22 CET | Update | - |
| article html file updated | 1 February 2018 09:58 CET | Update | - |
| article html file updated | 23 January 2018 13:25 CET | Original file | - |
| article xml uploaded. | 23 January 2018 13:24 CET | Update | https://www.mdpi.com/2077-0472/8/1/16/xml |
| article xml uploaded. | 22 January 2018 16:52 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 16:52 CET | Version of Record | https://www.mdpi.com/2077-0472/8/1/16/pdf |
