| article html file updated | 8 February 2020 02:12 CET | Update | https://www.mdpi.com/1660-3397/15/4/92 |
| article html file updated | 24 September 2019 00:00 CEST | Update | N/A |
| article html file updated | 4 May 2019 05:08 CEST | Update | N/A |
| article html file updated | 28 April 2017 08:26 CEST | Update | N/A |
| article html file updated | 27 March 2017 05:32 CEST | Update | N/A |
| article html file updated | 24 March 2017 22:37 CET | Update | N/A |
| article html file updated | 24 March 2017 13:38 CET | Original file | N/A |
| article xml uploaded. | 24 March 2017 13:37 CET | Original file | https://www.mdpi.com/1660-3397/15/4/92/xml |
| article pdf uploaded. | 24 March 2017 13:37 CET | Updated version of record | https://www.mdpi.com/1660-3397/15/4/92/pdf |
| article pdf uploaded. | 24 March 2017 12:44 CET | Version of Record | https://www.mdpi.com/1660-3397/15/4/92/pdf-vor |