function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ali, Pir Asmat & Maddison, Wayne P. & Zahid, Muhammad', 1],
    ['Caleb, John T. D. & Mathai, Manu Thomas', 2],
    ['Caleb, John T. D. & Mungkung, Soriephy & Mathai, Manu Thomas', 1],
    ['Cao, Qi & Li, Shuqiang & Żabka, Marek', 1],
    ['Lin, Yejie & Wu, Lingbing & Cai, Ducheng & Li, Shuqiang', 1],
    ['Logunov, Dmitri V.', 5],
    ['Logunov, Dmitri V. & Azarkina, Galina N.', 26],
    ['Marathe, Kiran & Sanap, Rajesh & Joglekar, Anuradha', 6],
    ['Prajapati, Dhruv A. & Murthappa, Prashanthakumara S.', 5],
    ['Sebastian, Pothalil A. & Sankaran, Pradeep M. & Malamel, Jobi J.', 3],
    ['Sudhin, Puthoor Pattammal & Sen, Souvik & Caleb, John T. D.', 6],
    ['Tripathi, Rishikesh & Kuni, Nikhil & Kadam, Gautam', 10],
    ['Wesolowska, Wanda & Haddad, Charles R.', 1],
    ['Wesołowska, Wanda', 13],
    ['Wesołowska, Wanda & Russell-Smith, Anthony', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=82)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);