| article html file updated | 8 February 2020 05:16 CET | Update | https://www.mdpi.com/1996-1073/10/5/644 |
| article html file updated | 24 September 2019 16:48 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:09 CEST | Update | N/A |
| article html file updated | 27 May 2017 03:09 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:49 CEST | Update | N/A |
| article html file updated | 6 May 2017 12:57 CEST | Original file | N/A |
| article xml uploaded. | 6 May 2017 12:56 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/644/xml |
| article pdf uploaded. | 6 May 2017 12:56 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/644/pdf |
