function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antonietto, Lucas Silveira & Carmo, Dermeval Aparecido do', 3],
    ['Ayress, M. A. & Whatley, R. & Downing, S. E. & Millson, K. J.', 20],
    ['Brady, George Stewardson', 17],
    ['Brandão, Simone N. & Saeedi, Hanieh & Brandt, Angelika', 2],
    ['Danielopol, Dan L. & Cabral, M. Cristina & Horne, David J.', 2],
    ['Forel, Marie-Béatrice & Grădinaru, Eugen', 4],
    ['Guernet, Claude & Huyghe, Damien & Lartaud, Franck', 6],
    ['Joest, Anna B. & Kim, Taihun & Yang, Hyun-Sung & Kang, Do-Hyung', 2],
    ['Kempf, Eugen Karl', 5],
    ['Luz, Nathália Carvalho Da & Coimbra, João Carlos', 4],
    ['Meisch, Claude & Smith, Robin J. & Martens, Koen', 4],
    ['Savatenalinton, Sukonthip', 7],
    ['Schornikov, Evgeny I.', 8],
    ['Yamada, Shinnosuke & Tanaka, Hayato', 2],
    ['Yamada, Shinnosuke & Tsukagoshi, Akira', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=97)',
    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);