function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Berg, Cornelis C.', 13],
    ['Blume, Carl Ludwig von', 11],
    ['Corner, Edred John Henry', 46],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 6],
    ['Diels, Friedrich Ludwig Emil', 26],
    ['Jarvis, Charlie', 14],
    ['King, George', 13],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 28],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 5],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 7],
    ['Pederneiras, Leandro Cardoso & Mitidieri-Rivera, Nicole', 9],
    ['Rasplus, Jean-Yves & Harry, Myriam & Perrin, Hélène', 28],
    ['Summerhayes, Victor Samuel', 6],
    ['Turner, Ian M.', 6],
    ['Whitfeld, Timothy J. S. & Weiblen, George D.', 5],
    ['Other (30)', 48]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=271)',
    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);