| article html file updated | 8 February 2020 08:55 CET | Update | https://www.mdpi.com/2075-4663/5/2/45 |
| article html file updated | 25 September 2019 11:42 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:16 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:52 CEST | Update | N/A |
| article html file updated | 21 June 2017 15:36 CEST | Original file | N/A |
| article xml uploaded. | 21 June 2017 15:35 CEST | Original file | https://www.mdpi.com/2075-4663/5/2/45/xml |
| article pdf uploaded. | 21 June 2017 15:35 CEST | Version of Record | https://www.mdpi.com/2075-4663/5/2/45/pdf |
