$co_author = Array
(
    [ID] => 253
    [user_firstname] => Elie
    [user_lastname] => El Khoury
    [nickname] => elie.e.khoury
    [user_nicename] => elie-e-khoury
    [display_name] => Elie El Khoury
    [user_email] => elie.e.khoury@accenture.com
    [user_url] => 
    [user_registered] => 2020-10-26 04:03:17
    [user_description] => 
    [user_avatar] => 
)

 $co_author = Array
(
    [ID] => 259
    [user_firstname] => Khaliq
    [user_lastname] => Khan
    [nickname] => khaliq.a.khan
    [user_nicename] => khaliq-a-khan
    [display_name] => Khaliq Khan
    [user_email] => khaliq.a.khan@accenture.com
    [user_url] => 
    [user_registered] => 2020-11-24 15:27:25
    [user_description] => 
    [user_avatar] => 
)

 $co_author = Array
(
    [ID] => 260
    [user_firstname] => Sabiha
    [user_lastname] => Iqbal
    [nickname] => sabiha.iqbal
    [user_nicename] => sabiha-iqbal
    [display_name] => Sabiha Iqbal
    [user_email] => sabiha.iqbal@accenture.com
    [user_url] => 
    [user_registered] => 2020-11-24 15:28:43
    [user_description] => 
    [user_avatar] => 
)