| article html file updated | 8 February 2020 13:41 CET | Update | https://www.mdpi.com/1660-3397/15/8/256 |
| article html file updated | 26 September 2019 13:58 CEST | Update | - |
| article html file updated | 3 May 2019 06:40 CEST | Update | - |
| article html file updated | 27 March 2019 21:08 CET | Update | - |
| article html file updated | 1 September 2017 06:01 CEST | Update | - |
| article html file updated | 16 August 2017 12:22 CEST | Original file | - |
| article xml uploaded. | 16 August 2017 12:21 CEST | Original file | https://www.mdpi.com/1660-3397/15/8/256/xml |
| article pdf uploaded. | 16 August 2017 12:21 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/8/256/pdf |
