function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alberto Ballerio & Munetoshi Maruyama', 51],
    ['Ballerio, Alberto', 16],
    ['Ballerio, Alberto & Gill, Bruce D. & Grebennikov, Vasily V.', 21],
    ['Ballerio, Alberto & Maruyama, Munetoshi', 33],
    ['Basílio, Daniel Silva & Vaz-De-Mello, Fernando Zagury', 14],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 7],
    ['Cambefort, Yves & Bordat, Patrice', 4],
    ['Colby, Julia', 18],
    ['Costa-Silva, Vinícius & Vaz-de-Mello, Fernando Z.', 4],
    ['Dupuis, Fabien', 4],
    ['Frolov, Andrey V. & Akhmetova, Lilia A.', 41],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 65],
    ['Ocampo, Federico C.', 11],
    ['Peck, Stewart B.', 5],
    ['Smith, Andrew B. T.', 9],
    ['Other (30)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=347)',
    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);