| article html file updated | 13 September 2021 05:54 CEST | Update | https://www.mdpi.com/2073-4468/7/1/6 |
| article html file updated | 9 February 2020 02:17 CET | Update | - |
| article html file updated | 29 September 2019 17:46 CEST | Update | - |
| article html file updated | 2 May 2019 03:52 CEST | Update | - |
| article html file updated | 18 April 2019 01:59 CEST | Update | - |
| article html file updated | 28 March 2019 13:44 CET | Update | - |
| article html file updated | 17 July 2018 05:23 CEST | Update | - |
| article xml uploaded. | 17 July 2018 05:22 CEST | Update | https://www.mdpi.com/2073-4468/7/1/6/xml |
| article pdf uploaded. | 17 July 2018 05:22 CEST | Updated version of record | https://www.mdpi.com/2073-4468/7/1/6/pdf |
| article html file updated | 26 March 2018 15:28 CEST | Update | - |
| article html file updated | 8 January 2018 06:09 CET | Original file | - |
| article pdf uploaded. | 8 January 2018 06:08 CET | Updated version of record | https://www.mdpi.com/2073-4468/7/1/6/pdf-vor |
| article pdf uploaded. | 7 January 2018 13:45 CET | Version of Record | https://www.mdpi.com/2073-4468/7/1/6/pdf-vor |
