| article html file updated | 9 February 2020 06:25 CET | Update | https://www.mdpi.com/2220-9964/7/2/63 |
| article html file updated | 30 September 2019 18:05 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:54 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:10 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:52 CET | Update | N/A |
| article html file updated | 14 March 2018 14:55 CET | Update | N/A |
| article html file updated | 12 February 2018 11:16 CET | Original file | N/A |
| article xml uploaded. | 12 February 2018 11:15 CET | Update | https://www.mdpi.com/2220-9964/7/2/63/xml |
| article xml uploaded. | 12 February 2018 11:15 CET | Update | N/A |
| article xml uploaded. | 12 February 2018 11:15 CET | Original file | N/A |
| article pdf uploaded. | 12 February 2018 11:15 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/63/pdf |
