function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Agassiz, David J. L.', 65],
    ['Cepeda, Danilo E.', 3],
    ['Cong, Peixin & Li, Houhun', 28],
    ['Fan, Ximei & Jin, Qing & Li, Houhun', 10],
    ['Gershenson, Z. S.', 3],
    ['Huemer, Peter & Mutanen, Marko', 6],
    ['Jin, Qing & Wang, Shuxia & Li, Houhun', 8],
    ['Liu, Haoyu & Wang, Shuxia', 27],
    ['Liu, Tengteng & Wang, Shuxia & Li, Houhun', 68],
    ['Mbata, Keith J. & Prins, Jurate De', 4],
    ['Na, Sol-Moon & Bae, Yang-Seop', 7],
    ['Na, Sol-Moon & Ponomarenko, Margarita G. & Bae, Yang-Seop', 5],
    ['Sohn, Jae-Cheon & Nishida, Kenji', 8],
    ['Sohn, Jae-Cheon & Wu, Chun-Sheng & Han, Hui-Lin', 11],
    ['Wilson, John & Landry, Jean-François & Janzen, Daniel', 4],
    ['Other (27)', 38]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=295)',
    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);