| article html file updated | 14 August 2026 13:58 CEST | Update | https://www.mdpi.com/1999-4907/8/4/130 |
| article html file updated | 8 February 2020 04:02 CET | Update | N/A |
| article html file updated | 24 September 2019 10:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:22 CEST | Update | N/A |
| article html file updated | 28 April 2017 06:44 CEST | Update | N/A |
| article html file updated | 24 April 2017 07:43 CEST | Original file | N/A |
| article xml uploaded. | 24 April 2017 07:41 CEST | Original file | https://www.mdpi.com/1999-4907/8/4/130/xml |
| article pdf uploaded. | 24 April 2017 07:41 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/4/130/pdf |
| article pdf uploaded. | 20 April 2017 13:30 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/4/130/pdf-vor |
