| article html file updated | 8 February 2020 21:09 CET | Update | https://www.mdpi.com/2075-4701/7/11/502 |
| article html file updated | 28 September 2019 11:14 CEST | Update | N/A |
| article html file updated | 2 May 2019 15:05 CEST | Update | N/A |
| article html file updated | 30 November 2017 10:23 CET | Update | N/A |
| article html file updated | 14 November 2017 12:27 CET | Original file | N/A |
| article xml uploaded. | 14 November 2017 12:26 CET | Original file | https://www.mdpi.com/2075-4701/7/11/502/xml |
| article pdf uploaded. | 14 November 2017 12:26 CET | Version of Record | https://www.mdpi.com/2075-4701/7/11/502/pdf |
