function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 2],
    ['Chan, Kin Onn & Muin, Mohd Abdul & Anuar, Shahrul & Andam, Joel', 1],
    ['Chan, Kin Onn & Wood Jr, Perry L. & Anuar, Shahrul', 1],
    ['Davis, Hayden R. & Grismer, L. Lee & Klabacka, Randy L.', 1],
    ['Grismer, L. Lee', 1],
    ['Haas, Alexander & Wolter, Johanna & Hertwig, Stefan T.', 3],
    ['Hertwig, Stefan T. & Min, Pui Yong & Haas, Alexander', 1],
    ['Inger, Robert F. & Stuebing, Robert B.', 3],
    ['Lea E. Waser & Manuel Schweizer & Alexander Haas & Indraneil Das', 1],
    ['Matsui, Masafumi & Khonsue, Wichase & Nabhitabhata, Jarujin', 1],
    ['Matsui, Masafumi & Khonsue, Wichase & Panha, Somsak', 2],
    ['Matsui, Masafumi & Nabhitabhata, Jarujin & Panha, Somsak', 1],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 2],
    ['Mulcahy, Daniel G. & Lee, Justin L. & Miller, Aryeh H.', 1],
    ['Suwannapoom, Chatmongkon & Grismer, L. Lee', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);