| article html file updated | 8 February 2020 03:01 CET | Update | https://www.mdpi.com/2075-1729/7/2/16 |
| article html file updated | 24 September 2019 04:40 CEST | Update | - |
| article html file updated | 4 May 2019 03:19 CEST | Update | - |
| article html file updated | 30 June 2017 05:46 CEST | Update | - |
| article html file updated | 10 April 2017 07:49 CEST | Update | - |
| article xml uploaded. | 10 April 2017 07:47 CEST | Update | https://www.mdpi.com/2075-1729/7/2/16/xml |
| article pdf uploaded. | 10 April 2017 07:47 CEST | Updated version of record | https://www.mdpi.com/2075-1729/7/2/16/pdf |
| article html file updated | 6 April 2017 15:02 CEST | Original file | - |
| article pdf uploaded. | 6 April 2017 15:01 CEST | Version of Record | https://www.mdpi.com/2075-1729/7/2/16/pdf-vor |
