| article html file updated | 8 February 2020 12:15 CET | Update | https://www.mdpi.com/2076-3417/7/8/768 |
| article html file updated | 3 May 2019 09:35 CEST | Update | - |
| article html file updated | 27 March 2019 18:09 CET | Update | - |
| article html file updated | 30 August 2017 09:09 CEST | Update | - |
| article html file updated | 28 July 2017 15:54 CEST | Original file | - |
| article xml uploaded. | 28 July 2017 15:53 CEST | Original file | https://www.mdpi.com/2076-3417/7/8/768/xml |
| article pdf uploaded. | 28 July 2017 15:53 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/8/768/pdf |
