function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Anker, Arthur & Hussain, Sumaiah', 2],
    ['Dworschak, Peter C. & Anker, Arthur', 9],
    ['Dworschak, Peter C. & Poore, Gary C. B.', 3],
    ['Filho, Petrônio Alves Coelho', 3],
    ['Kolevatov, Vasily & Marin, Ivan', 4],
    ['Komai, Tomoyuki', 5],
    ['Komai, Tomoyuki & Ravinesh, Raveendhiran & Riyas, Abdul', 2],
    ['Kornienko, Elena S. & Korn, Olga M. & Demchuk, Darya D.', 2],
    ['Liu, Wenliang', 3],
    ['Liu, Wenliang & Liu, Ruiyu', 2],
    ['Liu, Wenliang & Liu, Ruiyu & Liu, J. Y.', 6],
    ['Mantelatto, Fernando L. & Al, Et', 6],
    ['Naderloo, Reza & Türkay, Michael', 4],
    ['Ngoc-Ho, Nguyen', 6],
    ['Wicksten, Mary K.', 5],
    ['Other (11)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=75)',
    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);