| article html file updated | 8 February 2020 08:09 CET | Update | https://www.mdpi.com/2073-4441/9/6/429 |
| article html file updated | 25 September 2019 07:39 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:43 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:17 CEST | Update | N/A |
| article html file updated | 13 June 2017 15:11 CEST | Original file | N/A |
| article xml uploaded. | 13 June 2017 15:10 CEST | Update | https://www.mdpi.com/2073-4441/9/6/429/xml |
| article pdf uploaded. | 13 June 2017 15:10 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/6/429/pdf |
