function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bicha, Wesley & Schiff, Nathan & Lancaster, Aaron', 1],
    ['Dvořák, Libor', 1],
    ['Dvořák, Libor & Mariychuk, Ruslan & Manko, Peter & Oboňa, Jozef', 9],
    ['Hua, Bao-Zhen & Cai, Li-Jun', 1],
    ['Hua, Yuan & Tao, Shi-Heng & Hua, Bao-Zhen', 2],
    ['JOUAULT, CORENTIN & NEL, ANDRÉ', 1],
    ['Keller, Oliver & Somma, Louis A.', 12],
    ['Li, Ning & Wang, Ji-Shen & Hua, Bao-Zhen', 22],
    ['Linnaeus, Carolus', 4],
    ['Nakamura, Takeyuki Dr.', 2],
    ['Stark, Bill P. & Lago, Paul K. & Harrison, Audrey B.', 16],
    ['Wang, Ji-Shen & Gao, Xiao-Tong & Hua, Bao-Zhen', 3],
    ['Wang, Ji-Shen & Gong, You-Jing', 26],
    ['Wang, Ji-Shen & Hua, Bao-Zhen', 2],
    ['Wang, Ji-Shen & Suzuki, Tomoya', 21],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=124)',
    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);