| article html file updated | 7 February 2020 04:24 CET | Update | https://www.mdpi.com/1420-3049/21/2/196 |
| article html file updated | 21 September 2019 11:05 CEST | Update | - |
| article html file updated | 6 May 2019 00:42 CEST | Update | - |
| article html file updated | 26 March 2019 20:24 CET | Update | - |
| article html file updated | 17 September 2018 03:08 CEST | Original file | - |
| article pdf uploaded. | 16 February 2016 04:03 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/2/196/pdf |
| article xml uploaded. | 16 February 2016 04:03 CET | Original file | https://www.mdpi.com/1420-3049/21/2/196/xml |
| article pdf uploaded. | 6 February 2016 09:19 CET | Version of Record | https://www.mdpi.com/1420-3049/21/2/196/pdf-vor |