| article html file updated | 7 February 2020 10:28 CET | Update | https://www.mdpi.com/2076-3387/6/2/5 |
| article html file updated | 5 May 2019 12:22 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:01 CET | Update | N/A |
| article html file updated | 27 October 2017 09:19 CEST | Update | N/A |
| article html file updated | 21 June 2016 09:33 CEST | Original file | N/A |
| article xml uploaded. | 21 June 2016 09:31 CEST | Original file | https://www.mdpi.com/2076-3387/6/2/5/xml |
| article pdf uploaded. | 21 June 2016 09:31 CEST | Version of Record | https://www.mdpi.com/2076-3387/6/2/5/pdf |
