| article html file updated | 8 February 2020 09:52 CET | Update | https://www.mdpi.com/2073-4468/6/3/9 |
| article html file updated | 25 September 2019 16:58 CEST | Update | - |
| article html file updated | 3 May 2019 14:28 CEST | Update | - |
| article html file updated | 6 August 2018 06:11 CEST | Update | - |
| article xml uploaded. | 6 August 2018 06:09 CEST | Update | https://www.mdpi.com/2073-4468/6/3/9/xml |
| article pdf uploaded. | 6 August 2018 06:09 CEST | Updated version of record | https://www.mdpi.com/2073-4468/6/3/9/pdf |
| article html file updated | 26 September 2017 12:59 CEST | Update | - |
| article html file updated | 5 July 2017 12:36 CEST | Update | - |
| article pdf uploaded. | 5 July 2017 12:34 CEST | Updated version of record | https://www.mdpi.com/2073-4468/6/3/9/pdf-vor |
| article html file updated | 3 July 2017 13:06 CEST | Original file | - |
| article pdf uploaded. | 3 July 2017 13:05 CEST | Updated version of record | https://www.mdpi.com/2073-4468/6/3/9/pdf-vor |
| article pdf uploaded. | 2 July 2017 10:23 CEST | Version of Record | https://www.mdpi.com/2073-4468/6/3/9/pdf-vor |
