| article html file updated | 7 February 2020 22:53 CET | Update | https://www.mdpi.com/2079-6382/6/1/7 |
| article html file updated | 23 September 2019 05:06 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:17 CEST | Update | N/A |
| article html file updated | 29 March 2017 07:47 CEST | Update | N/A |
| article html file updated | 10 February 2017 07:07 CET | Update | N/A |
| article xml uploaded. | 10 February 2017 07:06 CET | Update | https://www.mdpi.com/2079-6382/6/1/7/xml |
| article pdf uploaded. | 10 February 2017 07:06 CET | Updated version of record | https://www.mdpi.com/2079-6382/6/1/7/pdf |
| article html file updated | 8 February 2017 12:24 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 12:23 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2017 12:23 CET | Version of Record | https://www.mdpi.com/2079-6382/6/1/7/pdf-vor |
