| article html file updated | 5 February 2020 17:06 CET | Update | https://www.mdpi.com/2073-8994/3/2/165 |
| article html file updated | 19 September 2019 04:00 CEST | Update | - |
| article html file updated | 9 May 2019 01:12 CEST | Update | - |
| article html file updated | 20 March 2019 07:07 CET | Update | - |
| article html file updated | 3 January 2019 09:12 CET | Original file | - |
| article xml uploaded. | 3 January 2019 09:10 CET | Original file | https://www.mdpi.com/2073-8994/3/2/165/xml |
