| article html file updated | 8 February 2020 03:12 CET | Update | https://www.mdpi.com/2075-1729/7/2/19 |
| article html file updated | 24 September 2019 05:41 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:56 CEST | Update | N/A |
| article html file updated | 30 June 2017 05:47 CEST | Update | N/A |
| article html file updated | 10 April 2017 11:43 CEST | Update | N/A |
| article xml uploaded. | 10 April 2017 11:41 CEST | Update | https://www.mdpi.com/2075-1729/7/2/19/xml |
| article pdf uploaded. | 10 April 2017 11:41 CEST | Updated version of record | https://www.mdpi.com/2075-1729/7/2/19/pdf |
| article html file updated | 10 April 2017 07:57 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2017 07:55 CEST | Updated version of record | https://www.mdpi.com/2075-1729/7/2/19/pdf-vor |
| article pdf uploaded. | 9 April 2017 11:22 CEST | Version of Record | https://www.mdpi.com/2075-1729/7/2/19/pdf-vor |
