| article html file updated | 8 February 2020 06:13 CET | Update | https://www.mdpi.com/1660-3397/15/5/144 |
| article html file updated | 24 September 2019 21:46 CEST | Update | - |
| article html file updated | 3 May 2019 21:21 CEST | Update | - |
| article html file updated | 1 June 2017 04:17 CEST | Update | - |
| article html file updated | 22 May 2017 04:48 CEST | Update | - |
| article html file updated | 19 May 2017 05:48 CEST | Original file | - |
| article xml uploaded. | 19 May 2017 05:47 CEST | Original file | https://www.mdpi.com/1660-3397/15/5/144/xml |
| article pdf uploaded. | 19 May 2017 05:47 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/5/144/pdf |
