| article html file updated | 8 February 2020 05:33 CET | Update | https://www.mdpi.com/1999-4915/9/5/103 |
| article html file updated | 24 September 2019 18:18 CEST | Update | - |
| article html file updated | 3 May 2019 22:37 CEST | Update | - |
| article html file updated | 2 June 2017 08:34 CEST | Update | - |
| article html file updated | 23 May 2017 04:01 CEST | Update | - |
| article html file updated | 10 May 2017 14:29 CEST | Original file | - |
| article xml uploaded. | 10 May 2017 14:28 CEST | Update | https://www.mdpi.com/1999-4915/9/5/103/xml |
| article pdf uploaded. | 10 May 2017 14:28 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/5/103/pdf |
