| article html file updated | 9 February 2020 00:11 CET | Update | https://www.mdpi.com/2079-6439/5/4/47 |
| article html file updated | 29 September 2019 05:54 CEST | Update | - |
| article html file updated | 2 May 2019 08:20 CEST | Update | - |
| article html file updated | 18 April 2019 06:07 CEST | Update | - |
| article html file updated | 2 January 2018 11:34 CET | Update | - |
| article html file updated | 15 December 2017 16:28 CET | Original file | - |
| article xml uploaded. | 15 December 2017 16:27 CET | Update | https://www.mdpi.com/2079-6439/5/4/47/xml |
| article xml uploaded. | 15 December 2017 16:27 CET | Original file | - |
| article pdf uploaded. | 15 December 2017 16:27 CET | Updated version of record | https://www.mdpi.com/2079-6439/5/4/47/pdf |
| article pdf uploaded. | 15 December 2017 12:11 CET | Version of Record | - |
