| article html file updated | 9 February 2020 11:54 CET | Update | https://www.mdpi.com/2076-393X/6/2/19 |
| article html file updated | 2 October 2019 03:15 CEST | Update | - |
| article html file updated | 1 May 2019 07:21 CEST | Update | - |
| article html file updated | 17 April 2019 07:21 CEST | Update | - |
| article html file updated | 29 March 2019 11:17 CET | Update | - |
| article html file updated | 27 June 2018 13:29 CEST | Update | - |
| article html file updated | 30 March 2018 10:00 CEST | Original file | - |
| article xml uploaded. | 30 March 2018 09:58 CEST | Original file | https://www.mdpi.com/2076-393X/6/2/19/xml |
| article pdf uploaded. | 30 March 2018 09:58 CEST | Version of Record | https://www.mdpi.com/2076-393X/6/2/19/pdf |
