| article html file updated | 8 February 2020 16:29 CET | Update | https://www.mdpi.com/2077-1444/8/9/196 |
| article html file updated | 3 May 2019 01:27 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:06 CEST | Update | N/A |
| article html file updated | 20 September 2017 03:47 CEST | Original file | N/A |
| article xml uploaded. | 20 September 2017 03:46 CEST | Original file | https://www.mdpi.com/2077-1444/8/9/196/xml |
| article pdf uploaded. | 20 September 2017 03:46 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/9/196/pdf |
| article pdf uploaded. | 18 September 2017 12:45 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/9/196/pdf-vor |
