| article html file updated | 7 February 2020 06:18 CET | Update | https://www.mdpi.com/1999-4907/7/4/73 |
| article html file updated | 5 May 2019 20:38 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:09 CET | Update | N/A |
| article html file updated | 12 July 2016 17:00 CEST | Update | N/A |
| article xml uploaded. | 12 July 2016 16:59 CEST | Original file | https://www.mdpi.com/1999-4907/7/4/73/xml |
| article pdf uploaded. | 12 July 2016 16:59 CEST | Updated version of record | https://www.mdpi.com/1999-4907/7/4/73/pdf |
| Erratum published | 12 July 2016 00:00 CEST | Erratum | http://www.mdpi.com/1999-4907/7/7/144 |
| article html file updated | 28 April 2016 12:15 CEST | Original file | N/A |
| article pdf uploaded. | 24 March 2016 12:09 CET | Version of Record | https://www.mdpi.com/1999-4907/7/4/73/pdf-vor |
