| article html file updated | 8 February 2020 09:22 CET | Update | https://www.mdpi.com/2073-4441/9/7/470 |
| article html file updated | 25 September 2019 14:10 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:24 CEST | Update | N/A |
| article html file updated | 1 August 2017 09:13 CEST | Update | N/A |
| article html file updated | 30 June 2017 04:52 CEST | Original file | N/A |
| article xml uploaded. | 30 June 2017 04:51 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/470/xml |
| article pdf uploaded. | 30 June 2017 04:51 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/7/470/pdf |
| article pdf uploaded. | 27 June 2017 15:21 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/470/pdf-vor |
