| article html file updated | 8 February 2020 07:12 CET | Update | https://www.mdpi.com/2079-3197/5/2/26 |
| article html file updated | 25 September 2019 02:50 CEST | Update | - |
| article html file updated | 3 May 2019 19:30 CEST | Update | - |
| article html file updated | 28 June 2017 12:57 CEST | Update | - |
| article html file updated | 5 June 2017 04:40 CEST | Original file | - |
| article xml uploaded. | 5 June 2017 04:39 CEST | Original file | https://www.mdpi.com/2079-3197/5/2/26/xml |
| article pdf uploaded. | 5 June 2017 04:39 CEST | Updated version of record | https://www.mdpi.com/2079-3197/5/2/26/pdf |
| article pdf uploaded. | 1 June 2017 13:39 CEST | Version of Record | https://www.mdpi.com/2079-3197/5/2/26/pdf-vor |
