| article html file updated | 8 February 2020 04:56 CET | Update | https://www.mdpi.com/2077-0383/6/5/50 |
| article html file updated | 24 September 2019 15:08 CEST | Update | - |
| article html file updated | 3 May 2019 23:44 CEST | Update | - |
| article html file updated | 31 May 2017 06:57 CEST | Update | - |
| article html file updated | 23 May 2017 03:33 CEST | Update | - |
| article html file updated | 3 May 2017 11:56 CEST | Original file | - |
| article xml uploaded. | 3 May 2017 11:55 CEST | Original file | https://www.mdpi.com/2077-0383/6/5/50/xml |
| article pdf uploaded. | 3 May 2017 11:55 CEST | Version of Record | https://www.mdpi.com/2077-0383/6/5/50/pdf |
