function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Timothy Field', 36],
    ['Bernardi, Luciano', 7],
    ['Chakrabarty, Tapas & Kumar, Anand & Ghoshal, Partha Pratim', 9],
    ['Chen, Feng & He, Hai', 10],
    ['De Kok, Rogier P. J.', 21],
    ['Jarvis, Charlie', 13],
    ['Kostermans, Andre Joseph Guillaume Henri', 64],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 7],
    ['Linnaeus, Carolus', 12],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 116],
    ['Ramella, Lorenzo & Barriera, Gabrielle', 15],
    ['Suh, Soo-Jung', 7],
    ['Teschner, Hans', 39],
    ['Werff, Henk Van Der', 81],
    ['Werff, Henk van der', 25],
    ['Other (82)', 146]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=608)',
    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);