| article html file updated | 8 February 2020 14:47 CET | Update | https://www.mdpi.com/1999-4907/8/9/317 |
| article html file updated | 26 September 2019 19:56 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:34 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:25 CEST | Update | N/A |
| article html file updated | 30 August 2017 05:55 CEST | Update | N/A |
| article xml uploaded. | 30 August 2017 05:54 CEST | Update | https://www.mdpi.com/1999-4907/8/9/317/xml |
| article pdf uploaded. | 30 August 2017 05:54 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/9/317/pdf |
| article html file updated | 29 August 2017 14:51 CEST | Original file | N/A |
| article xml uploaded. | 29 August 2017 14:49 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2017 14:49 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/9/317/pdf-vor |
