function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Ping-ping & Nieser, Nico & Lapidin, Johnny', 9],
    ['Cianferoni, Fabio & Mazza, Giuseppe', 2],
    ['Dursun, Ahmet & Fent, Meral', 2],
    ['Fent, Meral & Kment, Petr & Çamur-Elipek, Belgin & Kirgiz, Timur', 8],
    ['Ghahari, H.', 2],
    ['Ghahari, Hassan & Moulet, Pierre & Ostovan, Hadi', 2],
    ['Ha, Tuyet Ngan & Tran, Anh Duc', 47],
    ['Ishikawa, Tadashi & Saito, Masayuki U. & Kishimoto-Yamada, Keiko', 2],
    ['Kment, Petr & Kolínová, Zdislava', 7],
    ['Nieser, Nico & Chen, Ping-ping & Yang, Chang Man', 9],
    ['Nieser, Nico & Chen, Pingping', 4],
    ['Rajabian, Mona & Hosseini, Reza', 6],
    ['Shapovalov, Maksim I. & Saprykin, Maksim A.', 4],
    ['Tinerella, Paul P.', 22],
    ['Zettel, Herbert & Tran, A. D.', 5],
    ['Other (11)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=145)',
    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);