| article html file updated | 9 February 2020 00:18 CET | Update | https://www.mdpi.com/2079-6412/7/12/234 |
| article html file updated | 29 September 2019 06:30 CEST | Update | - |
| article html file updated | 2 May 2019 08:06 CEST | Update | - |
| article html file updated | 18 April 2019 05:54 CEST | Update | - |
| article html file updated | 2 January 2018 10:09 CET | Update | - |
| article html file updated | 16 December 2017 09:58 CET | Original file | - |
| article xml uploaded. | 16 December 2017 09:56 CET | Update | https://www.mdpi.com/2079-6412/7/12/234/xml |
| article xml uploaded. | 16 December 2017 09:56 CET | Update | - |
| article xml uploaded. | 16 December 2017 09:56 CET | Update | - |
| article xml uploaded. | 16 December 2017 09:56 CET | Original file | - |
| article pdf uploaded. | 16 December 2017 09:56 CET | Version of Record | https://www.mdpi.com/2079-6412/7/12/234/pdf |
