| article html file updated | 8 February 2020 01:10 CET | Update | https://www.mdpi.com/2073-4441/9/3/202 |
| article html file updated | 23 September 2019 18:10 CEST | Update | - |
| article html file updated | 4 May 2019 07:21 CEST | Update | - |
| article html file updated | 28 March 2017 03:48 CEST | Update | - |
| article html file updated | 10 March 2017 09:20 CET | Original file | - |
| article xml uploaded. | 10 March 2017 09:19 CET | Original file | https://www.mdpi.com/2073-4441/9/3/202/xml |
| article pdf uploaded. | 10 March 2017 09:19 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/202/pdf |
