| article html file updated | 8 February 2020 07:00 CET | Update | https://www.mdpi.com/2075-163X/7/6/89 |
| article html file updated | 25 September 2019 01:50 CEST | Update | - |
| article html file updated | 3 May 2019 19:52 CEST | Update | - |
| article html file updated | 28 June 2017 14:09 CEST | Update | - |
| article html file updated | 31 May 2017 03:18 CEST | Original file | - |
| article xml uploaded. | 31 May 2017 03:16 CEST | Original file | https://www.mdpi.com/2075-163X/7/6/89/xml |
| article pdf uploaded. | 31 May 2017 03:16 CEST | Updated version of record | https://www.mdpi.com/2075-163X/7/6/89/pdf |
| article pdf uploaded. | 30 May 2017 11:00 CEST | Version of Record | https://www.mdpi.com/2075-163X/7/6/89/pdf-vor |
