| article html file updated | 7 February 2020 04:25 CET | Update | https://www.mdpi.com/1420-3049/21/2/198 |
| article html file updated | 21 September 2019 11:06 CEST | Update | N/A |
| article html file updated | 6 May 2019 00:40 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:25 CET | Update | N/A |
| article html file updated | 17 September 2018 03:08 CEST | Original file | N/A |
| article pdf uploaded. | 22 February 2016 13:54 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/2/198/pdf |
| article pdf uploaded. | 6 February 2016 10:16 CET | Version of Record | https://www.mdpi.com/1420-3049/21/2/198/pdf-vor |
| article xml uploaded. | 6 February 2016 10:16 CET | Original file | https://www.mdpi.com/1420-3049/21/2/198/xml |
