| article html file updated | 8 February 2020 07:19 CET | Update | https://www.mdpi.com/1660-3397/15/6/160 |
| article html file updated | 25 September 2019 03:26 CEST | Update | - |
| article html file updated | 3 May 2019 19:15 CEST | Update | - |
| article html file updated | 27 June 2017 11:28 CEST | Update | - |
| article html file updated | 8 June 2017 06:36 CEST | Original file | - |
| article xml uploaded. | 8 June 2017 06:35 CEST | Update | https://www.mdpi.com/1660-3397/15/6/160/xml |
| article pdf uploaded. | 8 June 2017 06:35 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/6/160/pdf |
| article pdf uploaded. | 6 June 2017 11:18 CEST | Updated version of record | - |
