| article html file updated | 8 February 2020 01:19 CET | Update | https://www.mdpi.com/2079-3197/5/1/17 |
| article html file updated | 23 September 2019 19:00 CEST | Update | - |
| article html file updated | 4 May 2019 07:02 CEST | Update | - |
| article html file updated | 29 March 2017 08:51 CEST | Update | - |
| article html file updated | 13 March 2017 05:17 CET | Original file | - |
| article xml uploaded. | 13 March 2017 05:15 CET | Original file | https://www.mdpi.com/2079-3197/5/1/17/xml |
| article pdf uploaded. | 13 March 2017 05:15 CET | Updated version of record | https://www.mdpi.com/2079-3197/5/1/17/pdf |
| article pdf uploaded. | 12 March 2017 10:35 CET | Version of Record | https://www.mdpi.com/2079-3197/5/1/17/pdf-vor |
