| article html file updated | 9 February 2020 06:42 CET | Update | https://www.mdpi.com/1996-1073/11/2/433 |
| article html file updated | 30 September 2019 19:41 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:18 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:37 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:27 CET | Update | N/A |
| article html file updated | 14 March 2018 16:24 CET | Update | N/A |
| article html file updated | 19 February 2018 17:48 CET | Original file | N/A |
| article xml uploaded. | 19 February 2018 17:46 CET | Update | https://www.mdpi.com/1996-1073/11/2/433/xml |
| article xml uploaded. | 19 February 2018 17:46 CET | Original file | N/A |
| article pdf uploaded. | 19 February 2018 17:46 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/433/pdf |
| article pdf uploaded. | 14 February 2018 15:59 CET | Version of Record | N/A |
