| article html file updated | 8 February 2020 07:21 CET | Update | https://www.mdpi.com/2076-3271/5/2/11 |
| article html file updated | 25 September 2019 03:36 CEST | Update | - |
| article html file updated | 3 May 2019 19:12 CEST | Update | - |
| article html file updated | 7 June 2017 12:56 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 12:55 CEST | Original file | https://www.mdpi.com/2076-3271/5/2/11/xml |
| article pdf uploaded. | 7 June 2017 12:55 CEST | Updated version of record | https://www.mdpi.com/2076-3271/5/2/11/pdf |
| article pdf uploaded. | 2 June 2017 15:55 CEST | Version of Record | https://www.mdpi.com/2076-3271/5/2/11/pdf-vor |
