| article html file updated | 8 February 2020 13:59 CET | Update | https://www.mdpi.com/2076-328X/7/3/56 |
| article html file updated | 3 May 2019 06:04 CEST | Update | - |
| article html file updated | 30 September 2017 11:20 CEST | Update | - |
| article html file updated | 20 August 2017 14:20 CEST | Original file | - |
| article xml uploaded. | 20 August 2017 14:19 CEST | Original file | https://www.mdpi.com/2076-328X/7/3/56/xml |
| article pdf uploaded. | 20 August 2017 14:19 CEST | Updated version of record | https://www.mdpi.com/2076-328X/7/3/56/pdf |
| article pdf uploaded. | 19 August 2017 13:05 CEST | Version of Record | https://www.mdpi.com/2076-328X/7/3/56/pdf-vor |
