| article html file updated | 8 February 2020 03:24 CET | Update | https://www.mdpi.com/2075-4450/8/2/44 |
| article html file updated | 24 September 2019 06:41 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:33 CEST | Update | N/A |
| article html file updated | 30 June 2017 05:43 CEST | Update | N/A |
| article html file updated | 24 April 2017 13:03 CEST | Update | N/A |
| article xml uploaded. | 24 April 2017 13:01 CEST | Update | https://www.mdpi.com/2075-4450/8/2/44/xml |
| article pdf uploaded. | 24 April 2017 13:01 CEST | Updated version of record | https://www.mdpi.com/2075-4450/8/2/44/pdf |
| article html file updated | 12 April 2017 10:18 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2017 10:17 CEST | Version of Record | https://www.mdpi.com/2075-4450/8/2/44/pdf-vor |
