| article html file updated | 8 February 2020 02:42 CET | Update | https://www.mdpi.com/2076-3417/7/4/346 |
| article html file updated | 24 September 2019 02:48 CEST | Update | - |
| article html file updated | 4 May 2019 04:04 CEST | Update | - |
| article html file updated | 28 April 2017 05:09 CEST | Update | - |
| article html file updated | 4 April 2017 15:03 CEST | Original file | - |
| article xml uploaded. | 4 April 2017 15:01 CEST | Update | https://www.mdpi.com/2076-3417/7/4/346/xml |
| article pdf uploaded. | 4 April 2017 15:01 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/346/pdf |
| article pdf uploaded. | 31 March 2017 14:26 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/346/pdf-vor |
