| article html file updated | 8 February 2020 07:51 CET | Update | https://www.mdpi.com/2073-4441/9/6/416 |
| article html file updated | 25 September 2019 06:14 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:15 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:15 CEST | Update | N/A |
| article html file updated | 12 June 2017 05:05 CEST | Original file | N/A |
| article xml uploaded. | 12 June 2017 05:04 CEST | Original file | https://www.mdpi.com/2073-4441/9/6/416/xml |
| article pdf uploaded. | 12 June 2017 05:04 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/6/416/pdf |
| article pdf uploaded. | 9 June 2017 10:34 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/6/416/pdf-vor |
