| article html file updated | 9 February 2020 03:24 CET | Update | https://www.mdpi.com/1660-3397/16/1/34 |
| article html file updated | 30 September 2019 00:08 CEST | Update | - |
| article html file updated | 2 May 2019 01:33 CEST | Update | - |
| article html file updated | 17 April 2019 23:51 CEST | Update | - |
| article html file updated | 28 March 2019 16:21 CET | Update | - |
| article html file updated | 1 February 2018 08:10 CET | Update | - |
| article html file updated | 17 January 2018 15:16 CET | Original file | - |
| article xml uploaded. | 17 January 2018 15:15 CET | Update | https://www.mdpi.com/1660-3397/16/1/34/xml |
| article xml uploaded. | 17 January 2018 15:15 CET | Original file | - |
| article pdf uploaded. | 17 January 2018 15:15 CET | Version of Record | https://www.mdpi.com/1660-3397/16/1/34/pdf |
