Item 13. Certain Relationships and Related Transactions and Director Independence

The information required by this Item 13 is included under the captions “Corporate Governance - Related Person Transaction Policy,” “Corporate Governance - Certain Relationships and Related Person Transactions of Directors, Executive Officers and 5 Percent Stockholders,” and “Corporate Governance - Director Independence” in the 2019 Proxy Statement, and that information is incorporated by reference in this Annual Report on Form 10-K.