| article html file updated | 8 February 2020 01:24 CET | Update | https://www.mdpi.com/1660-3397/15/3/71 |
| article html file updated | 23 September 2019 19:28 CEST | Update | - |
| article html file updated | 4 May 2019 06:52 CEST | Update | - |
| article html file updated | 27 March 2017 11:25 CEST | Update | - |
| article html file updated | 14 March 2017 09:26 CET | Original file | - |
| article xml uploaded. | 14 March 2017 09:25 CET | Original file | https://www.mdpi.com/1660-3397/15/3/71/xml |
| article pdf uploaded. | 14 March 2017 09:25 CET | Version of Record | https://www.mdpi.com/1660-3397/15/3/71/pdf |
