| article html file updated | 23 February 2021 07:30 CET | Update | https://www.mdpi.com/2079-3200/5/2/18 |
| article html file updated | 8 February 2020 04:40 CET | Update | - |
| article html file updated | 24 September 2019 13:45 CEST | Update | - |
| article html file updated | 4 May 2019 00:13 CEST | Update | - |
| article html file updated | 23 May 2017 03:41 CEST | Update | - |
| article xml uploaded. | 23 May 2017 03:39 CEST | Update | https://www.mdpi.com/2079-3200/5/2/18/xml |
| article pdf uploaded. | 23 May 2017 03:39 CEST | Updated version of record | https://www.mdpi.com/2079-3200/5/2/18/pdf |
| article html file updated | 11 May 2017 05:05 CEST | Update | - |
| article pdf uploaded. | 11 May 2017 05:04 CEST | Updated version of record | https://www.mdpi.com/2079-3200/5/2/18/pdf-vor |
| article html file updated | 3 May 2017 13:08 CEST | Original file | - |
| article pdf uploaded. | 3 May 2017 13:06 CEST | Updated version of record | https://www.mdpi.com/2079-3200/5/2/18/pdf-vor |
| article pdf uploaded. | 29 April 2017 12:46 CEST | Version of Record | https://www.mdpi.com/2079-3200/5/2/18/pdf-vor |