| article html file updated | 8 February 2020 18:34 CET | Update | https://www.mdpi.com/2079-4983/8/4/47 |
| article html file updated | 27 September 2019 19:06 CEST | Update | - |
| article html file updated | 2 May 2019 21:02 CEST | Update | - |
| article html file updated | 11 December 2018 08:33 CET | Update | - |
| article html file updated | 2 January 2018 20:35 CET | Update | - |
| article html file updated | 16 October 2017 15:04 CEST | Original file | - |
| article xml uploaded. | 16 October 2017 15:03 CEST | Update | https://www.mdpi.com/2079-4983/8/4/47/xml |
| article xml uploaded. | 16 October 2017 15:03 CEST | Original file | - |
| article pdf uploaded. | 16 October 2017 15:03 CEST | Version of Record | https://www.mdpi.com/2079-4983/8/4/47/pdf |
