| article html file updated | 8 February 2020 02:37 CET | Update | https://new.mdpi.com/1424-8220/17/4/727 |
| article html file updated | 24 September 2019 02:18 CEST | Update | - |
| article html file updated | 4 May 2019 04:15 CEST | Update | - |
| article html file updated | 29 April 2017 13:42 CEST | Update | - |
| article html file updated | 5 April 2017 09:31 CEST | Original file | - |
| article xml uploaded. | 5 April 2017 09:29 CEST | Update | https://new.mdpi.com/1424-8220/17/4/727/xml |
| article pdf uploaded. | 5 April 2017 09:29 CEST | Updated version of record | https://new.mdpi.com/1424-8220/17/4/727/pdf |
| article pdf uploaded. | 30 March 2017 14:02 CEST | Version of Record | https://new.mdpi.com/1424-8220/17/4/727/pdf-vor |
