| article html file updated | 8 February 2020 02:52 CET | Update | https://www.mdpi.com/2075-4450/8/2/40 |
| article html file updated | 24 September 2019 03:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:40 CEST | Update | N/A |
| article html file updated | 30 June 2017 05:43 CEST | Update | N/A |
| article html file updated | 24 April 2017 04:34 CEST | Update | N/A |
| article xml uploaded. | 24 April 2017 04:33 CEST | Update | https://www.mdpi.com/2075-4450/8/2/40/xml |
| article pdf uploaded. | 24 April 2017 04:33 CEST | Updated version of record | https://www.mdpi.com/2075-4450/8/2/40/pdf |
| article html file updated | 7 April 2017 14:53 CEST | Original file | N/A |
| article pdf uploaded. | 7 April 2017 14:51 CEST | Updated version of record | https://www.mdpi.com/2075-4450/8/2/40/pdf-vor |
| article pdf uploaded. | 4 April 2017 14:49 CEST | Version of Record | https://www.mdpi.com/2075-4450/8/2/40/pdf-vor |
