| article html file updated | 9 February 2020 05:46 CET | Update | https://www.mdpi.com/2079-6412/8/2/60 |
| article html file updated | 30 September 2019 14:11 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:25 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:27 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:26 CET | Update | N/A |
| article html file updated | 14 March 2018 08:49 CET | Update | N/A |
| article html file updated | 7 February 2018 04:55 CET | Original file | N/A |
| article xml uploaded. | 7 February 2018 04:54 CET | Update | https://www.mdpi.com/2079-6412/8/2/60/xml |
| article xml uploaded. | 7 February 2018 04:54 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2018 04:54 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/60/pdf |
