| article html file updated | 8 February 2020 03:03 CET | Update | https://www.mdpi.com/2079-4983/8/2/13 |
| article html file updated | 24 September 2019 04:50 CEST | Update | - |
| article html file updated | 4 May 2019 03:15 CEST | Update | - |
| article html file updated | 11 December 2018 08:23 CET | Update | - |
| article html file updated | 30 June 2017 05:44 CEST | Update | - |
| article html file updated | 7 April 2017 04:51 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 04:50 CEST | Original file | https://www.mdpi.com/2079-4983/8/2/13/xml |
| article pdf uploaded. | 7 April 2017 04:50 CEST | Version of Record | https://www.mdpi.com/2079-4983/8/2/13/pdf |
