| article html file updated | 8 February 2020 02:31 CET | Update | https://www.mdpi.com/1420-3049/22/4/552 |
| article html file updated | 4 May 2019 04:26 CEST | Update | - |
| article html file updated | 11 September 2018 04:55 CEST | Update | - |
| article html file updated | 28 April 2017 10:13 CEST | Update | - |
| article html file updated | 31 March 2017 12:02 CEST | Original file | - |
| article xml uploaded. | 31 March 2017 12:00 CEST | Update | https://www.mdpi.com/1420-3049/22/4/552/xml |
| article pdf uploaded. | 31 March 2017 12:00 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/4/552/pdf |
| article pdf uploaded. | 29 March 2017 13:58 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/4/552/pdf-vor |
