| article html file updated | 8 February 2020 07:01 CET | Update | https://www.mdpi.com/2079-8954/5/2/40 |
| article html file updated | 3 May 2019 19:49 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:53 CEST | Update | N/A |
| article html file updated | 1 June 2017 13:00 CEST | Original file | N/A |
| article xml uploaded. | 1 June 2017 12:58 CEST | Original file | https://www.mdpi.com/2079-8954/5/2/40/xml |
| article pdf uploaded. | 1 June 2017 12:58 CEST | Updated version of record | https://www.mdpi.com/2079-8954/5/2/40/pdf |
| article pdf uploaded. | 30 May 2017 11:58 CEST | Version of Record | https://www.mdpi.com/2079-8954/5/2/40/pdf-vor |
