function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andersen, Knud', 64],
    ['Bonaccorso, Frank', 55],
    ['Burgin, Connor', 110],
    ['Cakenberghe, Victor Van & Tungaluna, Guy-Crispin Gembu', 301],
    ['Don E. Wilson & Russell A. Mittermeier', 1235],
    ['Huang, Joe Chun-Chia & Jazdzyk, Elly Lestari & Nusalawo, Meyner', 72],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 1111],
    ['Karl F. Koopman', 1110],
    ['Monadjem, Ara & Richards, Leigh & Denys, Christiane', 67],
    ['Simmons, Nancy B. & Voss, Robert S.', 100],
    ['Thomas, Nikky M. & Duckworth, J. W. & Douangboubpha, Bounsavane', 91],
    ['Turni, Hendrik & Kock, Dieter', 204],
    ['Velazco, Paúl M. & Voss, Robert S. & Fleck, David W.', 114],
    ['Voon-Ching Lim & Rosli Ramli & Subha Bhassu & John-James Wilson', 113],
    ['Wilson, Don E. & Reeder, DeeAnn', 2185],
    ['Other (294)', 1382]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=8314)',
    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);