| article html file updated | 13 February 2020 18:37 CET | Update | https://www.mdpi.com/2227-9709/6/3/42 |
| article html file updated | 26 September 2019 17:36 CEST | Update | - |
| article html file updated | 19 September 2019 07:17 CEST | Update | - |
| article html file updated | 19 September 2019 07:16 CEST | Update | - |
| article html file updated | 19 September 2019 07:15 CEST | Original file | - |
| article pdf uploaded. | 19 September 2019 07:14 CEST | Version of Record | https://www.mdpi.com/2227-9709/6/3/42/pdf |
| article xml uploaded. | 19 September 2019 07:14 CEST | Update | https://www.mdpi.com/2227-9709/6/3/42/xml |
| article xml file uploaded | 19 September 2019 07:14 CEST | Original file | - |
