| article html file updated | 8 February 2020 03:34 CET | Update | https://www.mdpi.com/1424-8220/17/4/853 |
| article html file updated | 24 September 2019 07:35 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:16 CEST | Update | N/A |
| article html file updated | 29 April 2017 14:11 CEST | Update | N/A |
| article html file updated | 14 April 2017 12:35 CEST | Original file | N/A |
| article xml uploaded. | 14 April 2017 12:33 CEST | Update | https://www.mdpi.com/1424-8220/17/4/853/xml |
| article pdf uploaded. | 14 April 2017 12:33 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/853/pdf |
| article pdf uploaded. | 13 April 2017 15:02 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/853/pdf-vor |
