| article html file updated | 8 February 2020 01:58 CET | Update | https://www.mdpi.com/2073-8994/9/3/45 |
| article html file updated | 23 September 2019 22:48 CEST | Update | - |
| article html file updated | 4 May 2019 05:36 CEST | Update | - |
| article html file updated | 28 March 2017 03:31 CEST | Update | - |
| article html file updated | 27 March 2017 05:23 CEST | Update | - |
| article html file updated | 24 March 2017 07:03 CET | Update | - |
| article html file updated | 22 March 2017 11:55 CET | Original file | - |
| article xml uploaded. | 22 March 2017 11:54 CET | Update | https://www.mdpi.com/2073-8994/9/3/45/xml |
| article pdf uploaded. | 22 March 2017 11:54 CET | Updated version of record | https://www.mdpi.com/2073-8994/9/3/45/pdf |
| article pdf uploaded. | 22 March 2017 10:26 CET | Version of Record | https://www.mdpi.com/2073-8994/9/3/45/pdf-vor |
