| article html file updated | 8 February 2020 03:40 CET | Update | https://www.mdpi.com/2076-3417/7/4/402 |
| article html file updated | 24 September 2019 08:15 CEST | Update | - |
| article html file updated | 4 May 2019 02:04 CEST | Update | - |
| article html file updated | 28 April 2017 05:21 CEST | Update | - |
| article html file updated | 19 April 2017 13:51 CEST | Original file | - |
| article xml uploaded. | 19 April 2017 13:50 CEST | Original file | https://www.mdpi.com/2076-3417/7/4/402/xml |
| article pdf uploaded. | 19 April 2017 13:50 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/402/pdf |
| article pdf uploaded. | 15 April 2017 08:29 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/402/pdf-vor |
