| article html file updated | 7 February 2020 22:13 CET | Update | https://www.mdpi.com/2076-3417/7/2/123 |
| article html file updated | 23 September 2019 01:30 CEST | Update | - |
| article html file updated | 4 May 2019 13:36 CEST | Update | - |
| article html file updated | 1 March 2017 04:25 CET | Update | - |
| article html file updated | 25 January 2017 10:47 CET | Original file | - |
| article xml uploaded. | 25 January 2017 10:46 CET | Original file | https://www.mdpi.com/2076-3417/7/2/123/xml |
| article pdf uploaded. | 25 January 2017 10:46 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/123/pdf |
