| article html file updated | 9 February 2020 04:52 CET | Update | https://www.mdpi.com/2220-9964/7/2/42 |
| article html file updated | 30 September 2019 08:36 CEST | Update | N/A |
| article html file updated | 1 May 2019 22:27 CEST | Update | N/A |
| article html file updated | 17 April 2019 21:09 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:29 CET | Update | N/A |
| article html file updated | 14 March 2018 14:47 CET | Update | N/A |
| article html file updated | 30 January 2018 11:29 CET | Original file | N/A |
| article xml uploaded. | 30 January 2018 11:28 CET | Update | https://www.mdpi.com/2220-9964/7/2/42/xml |
| article xml uploaded. | 30 January 2018 11:28 CET | Original file | N/A |
| article pdf uploaded. | 30 January 2018 11:28 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/42/pdf |
