| article html file updated | 7 February 2020 22:12 CET | Update | https://www.mdpi.com/2079-8954/5/1/7 |
| article html file updated | 23 September 2019 01:25 CEST | Update | - |
| article html file updated | 4 May 2019 13:38 CEST | Update | - |
| article html file updated | 30 March 2017 09:02 CEST | Update | - |
| article html file updated | 25 January 2017 11:08 CET | Update | - |
| article xml uploaded. | 25 January 2017 11:07 CET | Update | https://www.mdpi.com/2079-8954/5/1/7/xml |
| article xml uploaded. | 25 January 2017 11:07 CET | Update | - |
| article pdf uploaded. | 25 January 2017 11:07 CET | Updated version of record | https://www.mdpi.com/2079-8954/5/1/7/pdf |
| article html file updated | 25 January 2017 09:01 CET | Original file | - |
| article xml uploaded. | 25 January 2017 08:59 CET | Original file | - |
| article pdf uploaded. | 25 January 2017 08:59 CET | Version of Record | https://www.mdpi.com/2079-8954/5/1/7/pdf-vor |
