| article html file updated | 9 February 2020 03:47 CET | Update | https://www.mdpi.com/2079-3197/6/1/5 |
| article html file updated | 30 September 2019 02:25 CEST | Update | - |
| article html file updated | 2 May 2019 00:44 CEST | Update | - |
| article html file updated | 17 April 2019 23:08 CEST | Update | - |
| article html file updated | 28 March 2019 17:11 CET | Update | - |
| article html file updated | 26 March 2018 15:55 CEST | Update | - |
| article html file updated | 20 January 2018 11:38 CET | Original file | - |
| article xml uploaded. | 20 January 2018 11:37 CET | Update | https://www.mdpi.com/2079-3197/6/1/5/xml |
| article xml uploaded. | 20 January 2018 11:37 CET | Original file | - |
| article pdf uploaded. | 20 January 2018 11:37 CET | Version of Record | https://www.mdpi.com/2079-3197/6/1/5/pdf |
