| article html file updated | 8 February 2020 06:55 CET | Update | https://www.mdpi.com/2073-4441/9/6/381 |
| article html file updated | 25 September 2019 01:29 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:00 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:08 CEST | Update | N/A |
| article html file updated | 28 May 2017 09:14 CEST | Original file | N/A |
| article xml uploaded. | 28 May 2017 09:12 CEST | Original file | https://www.mdpi.com/2073-4441/9/6/381/xml |
| article pdf uploaded. | 28 May 2017 09:12 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/6/381/pdf |
