| article html file updated | 9 February 2020 05:43 CET | Update | https://www.mdpi.com/2075-4434/6/1/21 |
| article html file updated | 30 September 2019 13:56 CEST | Update | - |
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| article html file updated | 27 March 2018 12:39 CEST | Update | - |
| article html file updated | 7 February 2018 06:38 CET | Update | - |
| article html file updated | 7 February 2018 06:38 CET | Update | - |
| article html file updated | 7 February 2018 06:38 CET | Update | - |
| article html file updated | 7 February 2018 06:38 CET | Update | - |
| article html file updated | 7 February 2018 06:38 CET | Update | - |
| article xml uploaded. | 7 February 2018 06:37 CET | Update | https://www.mdpi.com/2075-4434/6/1/21/xml |
| article pdf uploaded. | 7 February 2018 06:37 CET | Updated version of record | https://www.mdpi.com/2075-4434/6/1/21/pdf |
| article html file updated | 7 February 2018 06:37 CET | Update | - |
| article xml uploaded. | 7 February 2018 06:35 CET | Update | - |
| article pdf uploaded. | 7 February 2018 06:35 CET | Updated version of record | - |
| article xml uploaded. | 7 February 2018 03:38 CET | Update | - |
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| article xml uploaded. | 7 February 2018 02:44 CET | Update | - |
| article pdf uploaded. | 7 February 2018 02:44 CET | Updated version of record | - |
| article xml uploaded. | 7 February 2018 02:35 CET | Update | - |
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| article html file updated | 6 February 2018 17:17 CET | Original file | - |
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| article xml uploaded. | 6 February 2018 17:16 CET | Original file | - |
