function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bashir, Muhammud Hamid & Afzal, Muhammad', 2],
    ['Bashir, Muhammud Hamid & Afzal, Muhammad & Khan, Bilal Saeed', 4],
    ['Chaudhri, Wali M.', 3],
    ['Chen, Jian-Xin & Yi, Tian-Ci & Guo, Jian-Jun & Jin, Dao-Chao', 3],
    ['Corpuz-Raros, Leonila Alzate', 3],
    ['Den Heyer, Jacob', 4],
    ['Heyer, Jacob Den & Castro, Tatiane Marie Martins Gomes De', 3],
    ['Kalúz, Stanislav', 5],
    ['Kalúz, Stanislav & Ermilov, Sergey G. & Vrabec, Michal', 4],
    ['Kalúz, Stanislav & Starý, Josef', 2],
    ['Kalúz, Stanislav & Vrabec, Michal', 5],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 7],
    ['Skvarla, Michael J. & Dowling, Ashley P. G.', 7],
    ['Skvarla, Michael J. & Fisher, J. Ray & Dowling, Ashley P. G.', 3],
    ['Smiley, Robert L.', 7],
    ['Other (9)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=72)',
    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);