| article html file updated | 8 February 2020 00:27 CET | Update | https://www.mdpi.com/2079-3197/5/1/13 |
| article html file updated | 23 September 2019 13:56 CEST | Update | - |
| article html file updated | 4 May 2019 09:00 CEST | Update | - |
| article html file updated | 29 March 2017 08:48 CEST | Update | - |
| article html file updated | 28 February 2017 12:49 CET | Original file | - |
| article xml uploaded. | 28 February 2017 12:47 CET | Original file | https://www.mdpi.com/2079-3197/5/1/13/xml |
| article pdf uploaded. | 28 February 2017 12:47 CET | Version of Record | https://www.mdpi.com/2079-3197/5/1/13/pdf |
