| article html file updated | 9 February 2020 09:28 CET | Update | https://www.mdpi.com/2076-393X/6/1/15 |
| article html file updated | 1 October 2019 12:52 CEST | Update | - |
| article html file updated | 1 May 2019 12:32 CEST | Update | - |
| article html file updated | 17 April 2019 12:15 CEST | Update | - |
| article html file updated | 29 March 2019 05:45 CET | Update | - |
| article html file updated | 27 March 2018 15:10 CEST | Update | - |
| article html file updated | 12 March 2018 03:34 CET | Original file | - |
| article xml uploaded. | 12 March 2018 03:33 CET | Original file | https://www.mdpi.com/2076-393X/6/1/15/xml |
| article pdf uploaded. | 12 March 2018 03:33 CET | Version of Record | https://www.mdpi.com/2076-393X/6/1/15/pdf |
