| article html file updated | 7 February 2020 21:00 CET | Update | https://www.mdpi.com/2073-4441/9/1/32 |
| article html file updated | 22 September 2019 19:05 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:20 CEST | Update | N/A |
| article html file updated | 7 February 2017 04:29 CET | Update | N/A |
| article html file updated | 7 January 2017 11:02 CET | Original file | N/A |
| article xml uploaded. | 7 January 2017 11:01 CET | Original file | https://www.mdpi.com/2073-4441/9/1/32/xml |
| article pdf uploaded. | 7 January 2017 11:01 CET | Version of Record | https://www.mdpi.com/2073-4441/9/1/32/pdf |
