| article html file updated | 9 February 2020 11:29 CET | Update | https://www.mdpi.com/2076-3417/8/4/506 |
| article html file updated | 2 October 2019 00:47 CEST | Update | - |
| article html file updated | 1 May 2019 08:13 CEST | Update | - |
| article html file updated | 17 April 2019 08:09 CEST | Update | - |
| article html file updated | 29 March 2019 10:21 CET | Update | - |
| article html file updated | 2 May 2018 15:18 CEST | Update | - |
| article html file updated | 2 May 2018 07:47 CEST | Update | - |
| article html file updated | 1 May 2018 14:24 CEST | Update | - |
| article pdf uploaded. | 20 April 2018 13:36 CEST | Updated version of record | https://www.mdpi.com/2076-3417/8/4/506/pdf |
| article html file updated | 27 March 2018 17:35 CEST | Original file | - |
| article xml uploaded. | 27 March 2018 17:34 CEST | Update | https://www.mdpi.com/2076-3417/8/4/506/xml |
| article pdf uploaded. | 27 March 2018 17:34 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/506/pdf-vor |
