| article html file updated | 8 February 2020 16:21 CET | Update | https://www.mdpi.com/1420-3049/22/9/1557 |
| article html file updated | 27 September 2019 04:20 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:42 CEST | Update | N/A |
| article html file updated | 30 September 2017 12:58 CEST | Update | N/A |
| article html file updated | 18 September 2017 04:36 CEST | Original file | N/A |
| article xml uploaded. | 18 September 2017 04:35 CEST | Original file | https://www.mdpi.com/1420-3049/22/9/1557/xml |
| article pdf uploaded. | 18 September 2017 04:35 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/9/1557/pdf |
| article pdf uploaded. | 15 September 2017 15:15 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/9/1557/pdf-vor |
