| article html file updated | 8 February 2020 02:32 CET | Update | https://www.mdpi.com/1420-3049/22/4/551 |
| article html file updated | 24 September 2019 01:49 CEST | Update | - |
| article html file updated | 4 May 2019 04:25 CEST | Update | - |
| article html file updated | 11 September 2018 04:54 CEST | Update | - |
| article html file updated | 28 April 2017 10:13 CEST | Update | - |
| article html file updated | 31 March 2017 11:59 CEST | Original file | - |
| article xml uploaded. | 31 March 2017 11:58 CEST | Original file | https://www.mdpi.com/1420-3049/22/4/551/xml |
| article pdf uploaded. | 31 March 2017 11:58 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/4/551/pdf |
| article pdf uploaded. | 29 March 2017 13:55 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/4/551/pdf-vor |
