function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bustamante Navarrete, Abdhiel Arnaldo & Oróz, Anahí', 2],
    ['Dejean, Pierre François Marie Auguste', 1],
    ['Erichson, Wilhelm Ferdinand', 4],
    ['Gordon, Robert D.', 9],
    ['Gorham, Henry Stephen', 2],
    ['Hesler, Louis S. & Kieckhefer, Robert W.', 1],
    ['Hounkpati, Kwevitoukoui & McHugh, Joseph V. & Niang, Abdoul Aziz', 6],
    ['Pang, Hong & Ślipiński, Adam & U, Yap Ing W & Zuo, Yongsheng', 40],
    ['Sepúlveda-Cano, Paula A. & Ramírez-Mora, Manuel A.', 1],
    ['Szawaryn, Karol & Czerwiński, Tomasz', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=73)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);