| article html file updated | 11 February 2020 12:47 CET | Update | https://www.mdpi.com/1996-1073/12/3/452 |
| article html file updated | 14 October 2019 05:52 CEST | Update | - |
| article html file updated | 26 April 2019 22:59 CEST | Update | - |
| article html file updated | 12 April 2019 18:50 CEST | Update | - |
| article html file updated | 3 April 2019 12:48 CEST | Update | - |
| article html file updated | 20 February 2019 04:21 CET | Update | - |
| article html file updated | 1 February 2019 02:03 CET | Original file | - |
| article pdf uploaded. | 31 January 2019 11:17 CET | Version of Record | https://www.mdpi.com/1996-1073/12/3/452/pdf |
| article xml uploaded. | 31 January 2019 11:17 CET | Update | https://www.mdpi.com/1996-1073/12/3/452/xml |
| article xml file uploaded | 31 January 2019 11:17 CET | Original file | - |