| article html file updated | 8 February 2020 01:56 CET | Update | https://www.mdpi.com/1424-8220/17/3/646 |
| article html file updated | 23 September 2019 22:36 CEST | Update | - |
| article html file updated | 4 May 2019 05:40 CEST | Update | - |
| article html file updated | 31 March 2017 10:27 CEST | Update | - |
| article html file updated | 27 March 2017 05:22 CEST | Update | - |
| article html file updated | 24 March 2017 06:56 CET | Update | - |
| article html file updated | 21 March 2017 12:26 CET | Original file | - |
| article xml uploaded. | 21 March 2017 12:24 CET | Original file | https://www.mdpi.com/1424-8220/17/3/646/xml |
| article pdf uploaded. | 21 March 2017 12:24 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/646/pdf |
