| article html file updated | 8 February 2020 13:59 CET | Update | https://www.mdpi.com/1660-3397/15/8/259 |
| article html file updated | 26 September 2019 15:37 CEST | Update | - |
| article html file updated | 3 May 2019 06:04 CEST | Update | - |
| article html file updated | 1 September 2017 06:01 CEST | Update | - |
| article html file updated | 19 August 2017 13:11 CEST | Original file | - |
| article xml uploaded. | 19 August 2017 13:10 CEST | Update | https://www.mdpi.com/1660-3397/15/8/259/xml |
| article xml uploaded. | 19 August 2017 13:09 CEST | Original file | - |
| article pdf uploaded. | 19 August 2017 13:09 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/8/259/pdf |
