| article html file updated | 8 February 2020 02:30 CET | Update | https://www.mdpi.com/2076-3417/7/4/334 |
| article html file updated | 24 September 2019 01:43 CEST | Update | - |
| article html file updated | 4 May 2019 04:28 CEST | Update | - |
| article html file updated | 28 April 2017 05:06 CEST | Update | - |
| article html file updated | 30 March 2017 11:08 CEST | Original file | - |
| article xml uploaded. | 30 March 2017 11:06 CEST | Update | https://www.mdpi.com/2076-3417/7/4/334/xml |
| article pdf uploaded. | 30 March 2017 11:06 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/334/pdf |
| article pdf uploaded. | 29 March 2017 14:42 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/334/pdf-vor |
