| article html file updated | 9 February 2020 11:26 CET | Update | https://www.mdpi.com/2076-3417/8/4/504 |
| article html file updated | 2 October 2019 00:26 CEST | Update | - |
| article html file updated | 1 May 2019 08:21 CEST | Update | - |
| article html file updated | 17 April 2019 08:17 CEST | Update | - |
| article html file updated | 29 March 2019 10:12 CET | Update | - |
| article html file updated | 2 May 2018 15:19 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 html file updated | 27 March 2018 17:27 CEST | Original file | - |
| article xml uploaded. | 27 March 2018 17:26 CEST | Original file | https://www.mdpi.com/2076-3417/8/4/504/xml |
| article pdf uploaded. | 27 March 2018 17:26 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/504/pdf |
