| article html file updated | 8 February 2020 17:45 CET | Update | https://www.mdpi.com/2306-5729/2/4/32 |
| article html file updated | 27 September 2019 12:56 CEST | Update | - |
| article html file updated | 2 May 2019 22:50 CEST | Update | - |
| article html file updated | 9 October 2017 10:24 CEST | Original file | - |
| article xml uploaded. | 9 October 2017 10:23 CEST | Original file | https://www.mdpi.com/2306-5729/2/4/32/xml |
| article pdf uploaded. | 9 October 2017 10:23 CEST | Updated version of record | https://www.mdpi.com/2306-5729/2/4/32/pdf |
| article pdf uploaded. | 3 October 2017 12:29 CEST | Version of Record | - |
