| article html file updated | 8 February 2020 05:30 CET | Update | https://www.mdpi.com/1999-4907/8/5/161 |
| article html file updated | 24 September 2019 18:00 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:43 CEST | Update | N/A |
| article html file updated | 31 May 2017 06:54 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:58 CEST | Update | N/A |
| article html file updated | 16 May 2017 06:35 CEST | Update | N/A |
| article xml uploaded. | 16 May 2017 06:33 CEST | Update | https://www.mdpi.com/1999-4907/8/5/161/xml |
| article pdf uploaded. | 16 May 2017 06:33 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/5/161/pdf |
| article html file updated | 10 May 2017 13:58 CEST | Original file | N/A |
| article pdf uploaded. | 10 May 2017 13:56 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/5/161/pdf-vor |