| article html file updated | 8 February 2020 16:41 CET | Update | https://www.mdpi.com/2077-1444/8/9/199 |
| article html file updated | 3 May 2019 01:03 CEST | Update | - |
| article html file updated | 30 September 2017 10:06 CEST | Update | - |
| article html file updated | 22 September 2017 05:51 CEST | Update | - |
| article xml uploaded. | 22 September 2017 05:50 CEST | Update | https://www.mdpi.com/2077-1444/8/9/199/xml |
| article pdf uploaded. | 22 September 2017 05:50 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/9/199/pdf |
| article html file updated | 21 September 2017 08:12 CEST | Original file | - |
| article xml uploaded. | 21 September 2017 08:11 CEST | Original file | - |
| article pdf uploaded. | 21 September 2017 08:11 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/9/199/pdf-vor |
| article pdf uploaded. | 20 September 2017 15:18 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/9/199/pdf-vor |
