| article html file updated | 8 February 2020 03:16 CET | Update | https://www.mdpi.com/2073-8994/9/4/53 |
| article html file updated | 24 September 2019 06:04 CEST | Update | - |
| article html file updated | 4 May 2019 02:48 CEST | Update | - |
| article html file updated | 28 April 2017 07:15 CEST | Update | - |
| article html file updated | 20 April 2017 11:52 CEST | Update | - |
| article xml uploaded. | 20 April 2017 11:50 CEST | Update | https://www.mdpi.com/2073-8994/9/4/53/xml |
| article pdf uploaded. | 20 April 2017 11:50 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/4/53/pdf |
| article html file updated | 11 April 2017 07:12 CEST | Original file | - |
| article pdf uploaded. | 11 April 2017 07:10 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/4/53/pdf-vor |
| article pdf uploaded. | 10 April 2017 12:54 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/4/53/pdf-vor |
