| article html file updated | 7 February 2020 23:00 CET | Update | https://www.mdpi.com/2076-3417/7/2/164 |
| article html file updated | 23 September 2019 05:49 CEST | Update | - |
| article html file updated | 4 May 2019 12:02 CEST | Update | - |
| article html file updated | 1 March 2017 04:33 CET | Update | - |
| article html file updated | 14 February 2017 07:15 CET | Original file | - |
| article xml uploaded. | 14 February 2017 07:14 CET | Original file | https://www.mdpi.com/2076-3417/7/2/164/xml |
| article pdf uploaded. | 14 February 2017 07:14 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/2/164/pdf |
| article pdf uploaded. | 9 February 2017 16:15 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/164/pdf-vor |
