| article html file updated | 8 February 2020 06:51 CET | Update | https://www.mdpi.com/2079-4991/7/6/122 |
| article html file updated | 25 September 2019 01:06 CEST | Update | - |
| article html file updated | 3 May 2019 20:09 CEST | Update | - |
| article html file updated | 27 June 2017 11:10 CEST | Update | - |
| article html file updated | 6 June 2017 05:46 CEST | Update | - |
| article xml uploaded. | 6 June 2017 05:45 CEST | Update | https://www.mdpi.com/2079-4991/7/6/122/xml |
| article pdf uploaded. | 6 June 2017 05:45 CEST | Updated version of record | https://www.mdpi.com/2079-4991/7/6/122/pdf |
| article html file updated | 27 May 2017 04:31 CEST | Original file | - |
| article pdf uploaded. | 27 May 2017 04:29 CEST | Version of Record | https://www.mdpi.com/2079-4991/7/6/122/pdf-vor |
