| article html file updated | 8 February 2020 16:36 CET | Update | https://www.mdpi.com/2077-1444/8/9/197 |
| article html file updated | 27 September 2019 05:48 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:13 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:06 CEST | Update | N/A |
| article html file updated | 19 September 2017 12:38 CEST | Original file | N/A |
| article xml uploaded. | 19 September 2017 12:37 CEST | Original file | https://www.mdpi.com/2077-1444/8/9/197/xml |
| article pdf uploaded. | 19 September 2017 12:37 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/9/197/pdf |
