| article html file updated | 8 February 2020 06:13 CET | Update | https://www.mdpi.com/2076-3921/6/2/36 |
| article html file updated | 24 September 2019 21:49 CEST | Update | - |
| article html file updated | 3 May 2019 21:21 CEST | Update | - |
| article html file updated | 28 June 2017 12:30 CEST | Update | - |
| article html file updated | 24 May 2017 06:21 CEST | Update | - |
| article xml uploaded. | 24 May 2017 06:20 CEST | Update | https://www.mdpi.com/2076-3921/6/2/36/xml |
| article pdf uploaded. | 24 May 2017 06:20 CEST | Updated version of record | https://www.mdpi.com/2076-3921/6/2/36/pdf |
| article html file updated | 22 May 2017 04:49 CEST | Update | - |
| article html file updated | 19 May 2017 08:22 CEST | Original file | - |
| article pdf uploaded. | 19 May 2017 08:20 CEST | Version of Record | https://www.mdpi.com/2076-3921/6/2/36/pdf-vor |
