| article html file updated | 7 February 2020 04:26 CET | Update | https://www.mdpi.com/1420-3049/21/2/204 |
| article html file updated | 21 September 2019 11:08 CEST | Update | N/A |
| article html file updated | 6 May 2019 00:38 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:27 CET | Update | N/A |
| article html file updated | 17 September 2018 03:10 CEST | Original file | N/A |
| article pdf uploaded. | 15 February 2016 08:59 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/2/204/pdf |
| article xml uploaded. | 15 February 2016 08:59 CET | Original file | https://www.mdpi.com/1420-3049/21/2/204/xml |
| article pdf uploaded. | 6 February 2016 11:02 CET | Version of Record | https://www.mdpi.com/1420-3049/21/2/204/pdf-vor |
