| article html file updated | 8 February 2020 17:58 CET | Update | https://www.mdpi.com/2310-2861/3/4/35 |
| article html file updated | 27 September 2019 14:46 CEST | Update | - |
| article html file updated | 2 May 2019 22:21 CEST | Update | - |
| article pdf uploaded. | 4 January 2019 04:05 CET | Updated version of record | https://www.mdpi.com/2310-2861/3/4/35/pdf |
| article html file updated | 10 October 2017 12:07 CEST | Original file | - |
| article xml uploaded. | 10 October 2017 12:06 CEST | Original file | https://www.mdpi.com/2310-2861/3/4/35/xml |
| article pdf uploaded. | 9 October 2017 13:01 CEST | Version of Record | https://www.mdpi.com/2310-2861/3/4/35/pdf-vor |
