| article html file updated | 8 February 2020 03:49 CET | Update | https://www.mdpi.com/2076-328X/7/2/23 |
| article html file updated | 24 September 2019 09:08 CEST | Update | - |
| article html file updated | 4 May 2019 01:46 CEST | Update | - |
| article html file updated | 28 June 2017 12:33 CEST | Update | - |
| article html file updated | 19 April 2017 10:09 CEST | Original file | - |
| article xml uploaded. | 19 April 2017 10:07 CEST | Original file | https://www.mdpi.com/2076-328X/7/2/23/xml |
| article pdf uploaded. | 19 April 2017 10:07 CEST | Updated version of record | https://www.mdpi.com/2076-328X/7/2/23/pdf |
| article pdf uploaded. | 18 April 2017 12:19 CEST | Version of Record | https://www.mdpi.com/2076-328X/7/2/23/pdf-vor |
