| article html file updated | 9 February 2020 03:43 CET | Update | https://www.mdpi.com/1660-3397/16/1/38 |
| article html file updated | 30 September 2019 02:00 CEST | Update | - |
| article html file updated | 2 May 2019 00:53 CEST | Update | - |
| article html file updated | 17 April 2019 23:17 CEST | Update | - |
| article html file updated | 28 March 2019 17:02 CET | Update | - |
| article html file updated | 1 February 2018 08:11 CET | Update | - |
| article html file updated | 19 January 2018 18:36 CET | Original file | - |
| article xml uploaded. | 19 January 2018 18:35 CET | Update | https://www.mdpi.com/1660-3397/16/1/38/xml |
| article xml uploaded. | 19 January 2018 18:35 CET | Original file | - |
| article pdf uploaded. | 19 January 2018 18:35 CET | Version of Record | https://www.mdpi.com/1660-3397/16/1/38/pdf |
