| article html file updated | 14 August 2026 15:11 CEST | Update | https://www.mdpi.com/1660-3397/15/6/181 |
| article html file updated | 8 February 2020 08:28 CET | Update | N/A |
| article html file updated | 25 September 2019 09:21 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:08 CEST | Update | N/A |
| article html file updated | 27 June 2017 11:30 CEST | Update | N/A |
| article html file updated | 20 June 2017 11:47 CEST | Original file | N/A |
| article xml uploaded. | 20 June 2017 11:46 CEST | Original file | https://www.mdpi.com/1660-3397/15/6/181/xml |
| article pdf uploaded. | 20 June 2017 11:46 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/6/181/pdf |
| article pdf uploaded. | 16 June 2017 11:41 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/6/181/pdf-vor |
