| article html file updated | 8 February 2020 07:17 CET | Update | https://www.mdpi.com/2305-6320/4/2/35 |
| article html file updated | 3 May 2019 19:20 CEST | Update | - |
| article html file updated | 5 June 2017 04:33 CEST | Original file | - |
| article xml uploaded. | 5 June 2017 04:32 CEST | Original file | https://www.mdpi.com/2305-6320/4/2/35/xml |
| article pdf uploaded. | 5 June 2017 04:32 CEST | Updated version of record | https://www.mdpi.com/2305-6320/4/2/35/pdf |
| article pdf uploaded. | 2 June 2017 12:07 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/2/35/pdf-vor |
