| article html file updated | 7 February 2020 12:33 CET | Update | https://www.mdpi.com/1999-4893/9/3/50 |
| article html file updated | 5 May 2019 08:35 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:52 CET | Update | N/A |
| article html file updated | 29 September 2016 08:14 CEST | Update | N/A |
| article html file updated | 2 August 2016 08:00 CEST | Update | N/A |
| article xml uploaded. | 2 August 2016 07:58 CEST | Update | https://www.mdpi.com/1999-4893/9/3/50/xml |
| article pdf uploaded. | 2 August 2016 07:58 CEST | Updated version of record | https://www.mdpi.com/1999-4893/9/3/50/pdf |
| article html file updated | 29 July 2016 11:28 CEST | Original file | N/A |
| article pdf uploaded. | 29 July 2016 11:27 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/50/pdf-vor |
