| article html file updated | 9 February 2020 07:16 CET | Update | https://www.mdpi.com/1422-0067/19/2/620 |
| article html file updated | 30 September 2019 22:58 CEST | Update | - |
| article html file updated | 1 May 2019 17:06 CEST | Update | - |
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| article html file updated | 29 March 2019 00:39 CET | Update | - |
| article html file updated | 14 March 2018 19:41 CET | Update | - |
| article html file updated | 23 February 2018 13:07 CET | Update | - |
| article xml uploaded. | 23 February 2018 13:06 CET | Update | https://www.mdpi.com/1422-0067/19/2/620/xml |
| article html file updated | 23 February 2018 13:00 CET | Update | - |
| article xml uploaded. | 23 February 2018 12:59 CET | Update | - |
| article html file updated | 22 February 2018 16:26 CET | Original file | - |
| article xml uploaded. | 22 February 2018 16:25 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 16:25 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/620/pdf |
