| article html file updated | 8 February 2020 05:43 CET | Update | https://www.mdpi.com/1999-4893/10/2/55 |
| article html file updated | 24 September 2019 19:08 CEST | Update | - |
| article html file updated | 3 May 2019 22:19 CEST | Update | - |
| article html file updated | 28 June 2017 12:26 CEST | Update | - |
| article html file updated | 23 May 2017 04:07 CEST | Update | - |
| article html file updated | 15 May 2017 08:23 CEST | Original file | - |
| article xml uploaded. | 15 May 2017 08:22 CEST | Original file | https://www.mdpi.com/1999-4893/10/2/55/xml |
| article pdf uploaded. | 15 May 2017 08:22 CEST | Updated version of record | https://www.mdpi.com/1999-4893/10/2/55/pdf |
| article pdf uploaded. | 12 May 2017 16:40 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/55/pdf-vor |
